- Subscribe to this page:
- RSS
- Email Alert
database applications
(762 results)-
White Papers
Query Optimization in XML-Based Information Integration
Dec 2008
The problem of decentralized data sharing is relevant for a wide range of applications and is still a source of major theoretical and practical challenges, in spite of many years of sustained...
Provided by Association for Computing Machinery
-
White Papers
On the Semantics and Evaluation of Top-k Queries in Probabilistic Databases
Dec 2007
The authors formulate three intuitive semantic properties for top-k queries in probabilistic databases, and propose Global-Topk query semantics which satisfies all of them. They provide a dynamic...
Provided by University at Buffalo
-
White Papers
Preference Elicitation in Prioritized Skyline Queries
Feb 2011
Preference queries incorporate the notion of binary preference relation into relational database querying. Instead of returning all the answers, such queries return only the best answers,...
Provided by University at Buffalo
-
White Papers
Contracting Preference Relations for Database Applications
Oct 2010
The binary relation framework has been shown to be applicable to many real-life preference handling scenarios. Here the authors study preference contraction: the problem of discarding selected...
Provided by University at Buffalo
-
White Papers
Prioritized Repairing and Consistent Query Answering in Relational Databases
May 2010
A consistent query answer in an inconsistent database is an answer obtained in every (minimal) repair. The repairs are obtained by resolving all conflicts in all possible ways. Often, however, the...
Provided by University at Buffalo
-
White Papers
Preference Queries Over Sets
Nov 2010
The authors propose a "Logic + SQL" framework for set preferences. Candidate best sets are represented using profiles consisting of scalar features. This reduces set preferences to tuple...
Provided by University at Buffalo
-
White Papers
Profiling Sets for Preference Querying
Apr 2008
The authors propose a logical framework for set preferences. Candidate sets are represented using profiles consisting of scalar features. This reduces set preferences to tuple preferences over set...
Provided by University at Buffalo
-
White Papers
Querying Regular Sets of XML Documents
Jan 2011
The authors investigate the problem of querying (regular) sets of XML documents represented with tree automata and the authors consider n-ary tree automata queries whose expressive power captures...
Provided by University at Buffalo
-
White Papers
Multi-Query Optimization in the Datapath System
Dec 2009
The Datapath system is a novel database that is implemented from the ground-up using a data-centric approach. In this paper, the author describes and evaluates a multi-query optimizer for the...
Provided by University of Florida
-
White Papers
XML Data Integration: Schema Extraction and Mapping
Feb 2010
Many applications require exchange and integration of data from multiple, heterogeneous sources. eXtensible Markup Language (XML) is a standard developed to satisfy the convenient data exchange...
Provided by Arizona State University
-
White Papers
UQBE: Uncertain Query by Example for Web Service Mashup
Jun 2008
The UQBE is a mashup tool for non-programmers that supports Query-By-Example (QBE) over a schema made up by the user without knowing the schema of the original sources. Based on automated schema...
Provided by Association for Computing Machinery
-
White Papers
Reducing Metadata Complexity for Faster Table Summarization
Mar 2010
Since the visualization real estate puts stringent constraints on how much data can be presented to the users at once, table summarization is an essential tool in helping users quickly explore...
Provided by Association for Computing Machinery
-
White Papers
Feedback-Driven Result Ranking and Query Refinement for Exploring Semi-Structured Data Collections
Mar 2010
Feedback process has been used extensively in document-centric applications, such as text retrieval and multimedia retrieval. Recently, there have been efforts to apply feedback to semi-structured...
Provided by Association for Computing Machinery
-
White Papers
FICSR: Feedback-Based InConSistency Resolution and Query Processing on Misaligned Data Sources
Jun 2007
A critical reality in data integration is that knowledge from different sources may often be conflicting with each other. Conflict resolution can be costly and, if done without proper context, can...
Provided by Association for Computing Machinery
-
White Papers
Propagation-Vectors for Trees (PVT): Concise Yet Effective Summaries for Hierarchical Data and Trees
Oct 2008
Summarization of hierarchical data and metadata is a fundamental operation in applications in many domains. In particular, similarity search of hierarchical data, such as XML, would benefit...
Provided by Association for Computing Machinery
-
White Papers
Précis: From Unstructured Keywords as Queries to Structured Databases as Answers
Nov 2007
Précis queries represent a novel way of accessing data, which combines ideas and techniques from the fields of databases and information retrieval. They are free-form, keyword-based, queries on...
Provided by Springer Science+Business Media
-
White Papers
Top-K Aggregation Queries Over Large Networks
Dec 2009
Searching and mining large graphs today is critical to a variety of application domains, ranging from personalized recommendation in social networks, to searches for functional associations in...
Provided by UC Regents
-
White Papers
Assessing and Ranking Structural Correlations in Graphs
Jun 2011
Real-life graphs not only have nodes and edges, but also have events taking place, e.g., product sales in social networks and virus infection in communication networks. Among different events,...
Provided by Association for Computing Machinery
-
White Papers
Direct Mining of Discriminative and Essential Frequent Patterns Via Model-Based Search Tree
Aug 2008
Frequent patterns provide solutions to datasets that do not have well-structured feature vectors. However, frequent pattern mining is non-trivial since the number of unique patterns is exponential...
Provided by Association for Computing Machinery
-
White Papers
Mining Significant Graph Patterns by Leap Search
Jun 2008
With ever-increasing amounts of graph data from disparate sources, there has been a strong need for exploiting significant graph patterns with user-specified objective functions. Most objective...
Provided by Association for Computing Machinery
-
White Papers
On Effective Presentation of Graph Patterns: A Structural Representative Approach
Oct 2008
In the past, quite a few fast algorithms have been developed to mine frequent patterns over graph data, with the large spectrum covering many variants of the problem. However, the real bottleneck...
Provided by Association for Computing Machinery
-
White Papers
Mining Diversity on Networks
Dec 2009
Despite the recent emergence of many large-scale networks in different application domains, an important measure that captures a participant's diversity in the network has been largely neglected...
Provided by University of Illinois
-
White Papers
Mobile Computing With Scripting Language
May 2008
This paper represents how the advanced mobile application supports scripting language based mobile by multi scripting languages with different database on client side. As people know that in the...
Provided by Sardar Patel University
-
White Papers
Platform Migration Using Transportable Tablespaces: Oracle Database 10g Release 2
Apr 2007
Efficient and reliable methods of performing database maintenance - such as migrating a database to a new platform - have existed for many Oracle software versions. However, as maintenance windows...
Provided by Oracle
-
White Papers
Structured Database Integration Over the Web
Oct 2009
With the rapid development of Web, there are more and more structured web database available for users to access. At the same time, domain searchers often have difficulties in finding the right...
Provided by Academy Publisher
-
White Papers
Instant Multi-Tier Web Applications Without Tears
Feb 2009
The authors describe how development productivity for multi-tier web-based database 'Forms' oriented applications can be significantly improved using 'InstantApps', an interpretive framework that...
Provided by Association for Computing Machinery
-
White Papers
A Study of RDB-Based RDF Data Management Techniques
Apr 2011
RDF has gained great interest in both academia and industry as an important language to describe graph data. Several approaches have been proposed for storing and querying RDF data efficiently;...
Provided by Indiana University
-
White Papers
XQuery as an Annotation Query Language: A Use Case Analysis
Jan 2011
Recent paper has shown that single data model can represent many different kinds of Linguistic annotation. This data model can be expressed equivalently as a directed graph of temporal nodes (Bird...
Provided by Macquarie University
-
White Papers
Fast Query for Large Treebanks
May 2010
A variety of query systems have been developed for interrogating parsed corpora, or treebanks. With the arrival of efficient, wide coverage parsers, it is feasible to create very large databases...
Provided by Association for Computational Linguistics
-
White Papers
Querying Linguistic Trees
Feb 2009
Large databases of linguistic annotations are used for testing linguistic hypotheses and for training language processing models. These linguistic annotations are often syntactic or prosodic in...
Provided by University of Melbourne
-
White Papers
Querying Linguistic Annotations
Nov 2008
Over the past decade, a variety of expressive linguistic query languages have been developed. The most scalable of these have been implemented on top of an existing database engine. However, with...
Provided by University of Melbourne
-
White Papers
Querying and Updating Treebanks: A Critical Survey and Requirements Analysis
Jan 2011
Language technology makes extensive use of hierarchically annotated text and speech data. These databases are stored in flat files and manipulated using corpus specific query tool or scripts....
Provided by University of Melbourne
-
White Papers
SelfTalk for Dena: Query Language and Runtime Support for Evaluating System Behavior
Sep 2009
The authors introduce SelfTalk, a novel declarative language that allows users to query and understand the status of a large scale system. SelfTalk is sufficiently expressive to encode an...
Provided by Association for Computing Machinery
-
White Papers
REQUEST: A Query Language for Customizing Recommendations
Feb 2009
Initially popularized by Amazon.com, recommendation technologies have become widespread over the past several years. However, the types of recommendations available to the users in these...
Provided by University of Minnesota
-
White Papers
Supplement Explanation of Paper "Efficient Anomaly Monitoring Over Moving Object Trajectory Streams"
Jun 2009
The authors want to emphasize that it is difficult to extend the discord definition from that targeted at static time series to trajectory stream scenario. That is the major reason why the authors...
Provided by UC Regents
-
White Papers
Efficient Anomaly Monitoring Over Moving Object Trajectory Streams
Jul 2009
Lately there exist increasing demands for online abnormality monitoring over trajectory streams, which are obtained from moving object tracking devices. This problem is challenging due to the...
Provided by Association for Computing Machinery
-
White Papers
Processing Spatial-Keyword (SK) Queries in Geographic Information Retrieval (GIR) Systems
Jul 2007
Location-based information contained in publicly available GIS databases is invaluable for many applications such as disaster response, national infrastructure protection, crime analysis, and...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Size Bounds and Query Plans for Relational Joins
Apr 2008
Relational joins are at the core of relational algebra, which in turn is the core of the standard database query language SQL. As their evaluation is expensive and very often dominated by the...
Provided by Budapest University of Technology and Economics
-
White Papers
Network-Aware Join Processing in Global-Scale Database Federations
Jan 2011
The authors introduce join scheduling algorithms that employ a balanced network utilization metric to optimize the use of all network paths in a global-scale database federation. This metric...
Provided by University of Maryland
-
White Papers
Incremental Cluster-Based Retrieval Using Compressed Cluster-Skipping Inverted Files
Dec 2007
The authors propose a unique Cluster-Based Retrieval (CBR) strategy using a new cluster-skipping inverted file for improving query processing efficiency. The new inverted file incorporates cluster...
Provided by Association for Computing Machinery
-
White Papers
Enterprise Open Source SOA from WSO2: The Best of Both Worlds
Jul 2009
When it comes to implementation of web services and Service Oriented Architecture (SOA), information architects across the globe are trying to grasp its appeal and change the way their enterprise...
Provided by WSO2
-
White Papers
Comparison of the WLI Database Event Generator and the Oracle Database Adapter
Apr 2009
Automation of data processing is one of the main purposes of information systems. Data storage, transformation and exchange are three of the most basic needs of an IT company. As for now database...
Provided by Oracle
-
White Papers
Data Services in SOA: Maximizing the Benefits in Enterprise Architecture
Apr 2009
Leading organizations are turning to services that can participate in orchestrated business processes. Most of these services are vertical in nature and offer flexibility that helps in improving...
Provided by Oracle
-
White Papers
Comparison: WLI File Control and the Oracle File Adapter
May 2009
Management of computer files has become an important task as one relies more and more on computer-based activities. When it comes to files and IT, it incorporates files on mobile devices to...
Provided by Oracle
-
White Papers
Clustering SOA Suite
Jun 2009
It is no mean task to configure a cluster. When it comes to an SOA Suite Cluster, it might seem easy at large. But there are still some things that might leave one befuddled. This blog looks at...
Provided by Oracle
-
White Papers
Data Tier Caching for SOA Performance
Feb 2010
Service-Oriented Architecture (SOA) is changing the way applications are developed and integrated. The organizations can reuse the existing business logic easily with the help of web service...
Provided by Oracle
-
White Papers
Implementing Cell Highlighting in JSF-Based Rich Enterprise Apps (Part 1)
Nov 2008
Data-oriented applications tend to swamp the end user with information. Rows and rows of data, although neatly organized in columns and cells, can be somewhat overwhelming. The significance of...
Provided by Oracle
-
White Papers
Build a .NET Application on the Oracle Database With Visual Studio 2005 or 2008
Sep 2008
Building a .NET application that accesses Oracle Database involves a variety of tasks besides writing .NET code: creating users and roles, creating tables and table data, generating SQL scripts...
Provided by Oracle
-
White Papers
On Conditional Compilation
Jan 2010
Oracle Database 10g has been groundbreaking when it comes to the world of PL/SQL development, most notably in the evolution of the PL/SQL compiler. In the release 1, the PL/SQL optimizer...
Provided by Oracle
-
White Papers
On Object Types in Collections
Jan 2010
Below are given a few instances how objects can be retrieved in the best possible way. Firstly, to retrieve the third field (object type) from the varray, one consider an example of food paradigm....
Provided by Oracle
-
Case Studies
Intermountain Power Service Customer Profile
Jan 2010
Intermountain Power Service Corporation (IPSC) is a company that operates in the Delta area of Utah. This case study delves on the company's need to upgrade the systems it used to Computer Output...
Provided by eLynx
-
White Papers
On Signatures and Changing Where
Jan 2010
Once a procedure or function is established and is put to use it becomes very difficult to bring any changes in the program. One has to be very careful about how he or she changes the header or...
Provided by Oracle
-
White Papers
Programming Productively
Dec 2008
Oracle SQL developer is designed to help the user work efficiently and effectively with PL/SQL constructs. This developer can help in improving your productivity as it makes use of efficient...
Provided by Oracle
-
White Papers
On Avoiding Termination
Apr 2009
Has one found a procedure that continues to apply a complex set of rules to a large volume of data in a set of tables even if an error appears in the update? In the past, if an error occurred in...
Provided by Oracle
-
White Papers
More New PL/SQL Features
Jun 2009
New features and tools were introduced to improve the application performance of the Oracle Database 11g. Automatic Subprogram Inlining and Native Compilation Method are the two processes being...
Provided by Oracle
-
White Papers
The Magic Kingdom
Jun 2009
The magic values or literals of an application are expressed in code. These values can be fixed for the life span of an application or can also be change occasionally. The hard-coding of literals...
Provided by Oracle
-
White Papers
Introduction to Oracle SQL Developer Data Modeler
Jul 2009
Oracle SQL Developer is a graphical tool that is designed for database environment. This solution is used to browse database objects, run SQL statements and scripts, write and run PL/SQL programs....
Provided by Oracle
-
White Papers
On Privacy and Function
Feb 2010
The Function Result Cache can be used to recover data from tables with specified access control through Oracle Virtual Private Database 11g (Oracle VDP). Oracle VDP is used to restrict the rows in...
Provided by Oracle
-
White Papers
Monitoring Performance Using the WebLogic Diagnostics Framework
Aug 2009
The WebLogic Diagnostic Framework (WLDF) offers various services and APIs that are designed to provide the capacity to collect and surface metrics, which provides visibility into server and...
Provided by Oracle
-
White Papers
Put Your Arrays in a Bind
Oct 2009
The arrangement of Oracle database and Oracle data provider for .NET (ODP .NET) can offer various methods to achieve the same task that provides users with flexibility to create choices according...
Provided by Oracle
-
White Papers
Oracle Essbase Studio Deep-Dive
Mar 2010
Using Oracle Essbase Studio, users can easily build a multidimensional model from data sources. The application allows users to add relational database tables, views, and flat files to OBIEE and...
Provided by Oracle
-
White Papers
Virtualizing Performance-Critical Database Applications in VMware VSphere
Apr 2009
VMware vSphere 4.0 with ESX 4.0 is the latest enhancement to the cloud operating system. For example, database applications are very resource intensive, and network managers are often in two minds...
Provided by VMware
-
White Papers
Dell Deployment Design & Implementation
Jun 2010
Complement & integrate best of breed Deployment design & process to gain speed and reduce total cost
Provided by Dell, Inc. & Intel, Inc.
-
Case Studies
Dah Sing Bank Deploys New Marketing System and Achieves ROI in Less Than 12 Months
Mar 2010
Hong Kong-based Dah Sing Bank is the major banking subsidiary of Dah Sing Group. The bank provides banking and financial services through a network of about 70 branches in Hong Kong, Macau, and...
Provided by Oracle
-
Case Studies
SQL Backup: Smooth Sailing With SQL Backup
Jan 2010
IT at Carnival UK, part of Carnival Corporation & PLC, is the largest cruise line operator in the world with an 81-strong fleet including P&O Cruises, The Yachts of Seabourn and the Cunard Line....
Provided by Red Gate Software
-
Webcasts
Video: Integrated Customer Support and Systems Management
Jun 2010
Listen in as Larry Ellison discusses how Oracle is delivering next generation customer support with Oracle Enterprise Manager and My Oracle Support.
Provided by Oracle
-
White Papers
Oracle GoldenGate High Availability Using Oracle Clusterware
Mar 2010
Oracle GoldenGate is often used in mission-critical systems with stringent high availability requirements. In an Oracle to Oracle scenario, minimal latency between the source and the destination...
Provided by Oracle
-
White Papers
Automatic Workload Management With Oracle Real Application Clusters 11g Release 2
Jan 2010
Applications using a clustered database generally want to load balance their workload across the cluster. Starting with Oracle RAC 10g Release 2 the load balancing advisory provides real-time...
Provided by Oracle
-
White Papers
Oracle Real Application Clusters on IBM AIX Best Practices in Memory Tuning and Configuring for System Stability
Mar 2010
IBM and Oracle have a long standing history of technical collaboration to enhance Oracle products on IBM Power Systems. This joint commitment to support the Power System platform's performance,...
Provided by Oracle
-
White Papers
Effective Resource Utilization by In-Memory Parallel Execution in Oracle Real Application Clusters 11g Release 2
Feb 2010
NS Solutions Corporation (NSSOL) has been working to the business that utilized Oracle products as a strong partner for a long time since strategic partnership conclusion of Oracle Corporation and...
Provided by Oracle
-
White Papers
Microsoft SQL Server and VMware Virtual Infrastructure
Mar 2009
Microsoft SQL Server is a very popular and widely deployed general purpose database server supported on Windows Server operating systems. Microsoft has consistently invested to ensure that SQL...
Provided by VMware
-
Case Studies
NRMA Motoring and Services Improves Database Performance by 300%, Eliminates Downtime
Apr 2010
NRMA Motoring and Services uses a third-party Computer Aided Dispatch (CAD) system to field calls from members who need assistance and dispatch jobs out to patrol vehicles over a mobile data...
Provided by Oracle
-
White Papers
Data Administration Best Practices
Apr 2010
Virtually every company, and many web sites uses databases for one purpose or another. The database is used for information storage and retrieval, data access and updates, generating reports and...
Provided by PEER 1 Dedicated Hosting
-
Case Studies
Teikyo University Hospital Improves Patient Care by Enabling Real-Time Data Delivery to Doctors
Mar 2010
To improve its level of healthcare, Teikyo University Hospital undertook a project to integrate its systems and enable the delivery of critical data, such as test results, to handheld devices used...
Provided by Oracle
-
Case Studies
GasthuisZusters Antwerpen Gives Caretakers Easy and Continuous Access to Electronic Patient Records
Mar 2010
GasthuisZusters Antwerpen wanted to replace the self-developed mainframe application for patient administration with new applications that the hospital can use in a more flexible and user-friendly...
Provided by Oracle
-
Case Studies
Bank of America Corporation Consolidates Systems to Maximize Availability and Improve Performance
Mar 2010
Bank of America wanted to eliminate silos and consolidate disparate databases to create a single, global enterprise environment and improve system performance, while controlling IT costs. The...
Provided by Oracle
-
Case Studies
Georgian College Cuts Registration Time in Half With Improved Application Availability and Scalability
Mar 2010
Georgian College wanted to improve the performance, availability, and scalability of the PeopleSoft Enterprise applications that are critical to the college's ability to serve its students,...
Provided by Oracle
-
White Papers
Oracle WebLogic Suite and Oracle SOA Suite
Feb 2010
The focus of this paper is on Oracle WebLogic Suite 11g and Oracle SOA Suite 11g and their relationship to Oracle's broad product family of applications, development tools and management tools....
Provided by Oracle
-
Case Studies
Globe Telecom Slashes Server Migration Time by 75%
Mar 2010
In 2004, Globe launched the world's first cashless and cardless mobile commerce service dubbed G-Cash. The technology transforms cell phones into mobile wallets, allowing Globe subscribers to pay...
Provided by Oracle
-
Whitepapers
Top Ten Things Every DBA Should Know About SQL Server
Mar 2010
Microsoft SQL Server has evolved over the years as a scalable, robust database management system and is now competing in the VLDB (Very Large Database) space with Oracle and IBM. The market share...
Provided by Global Knowledge
-
White Papers
XQuery as an Annotation Query Language: A Use Case Analysis
Jan 2011
Recent paper has shown that single data model can represent many different kinds of Linguistic annotation. This data model can be expressed equivalently as a directed graph of temporal nodes (Bird...
Provided by Macquarie University
-
White Papers
Fast Query for Large Treebanks
May 2010
A variety of query systems have been developed for interrogating parsed corpora, or treebanks. With the arrival of efficient, wide coverage parsers, it is feasible to create very large databases...
Provided by Association for Computational Linguistics
-
White Papers
Querying Linguistic Trees
Feb 2009
Large databases of linguistic annotations are used for testing linguistic hypotheses and for training language processing models. These linguistic annotations are often syntactic or prosodic in...
Provided by University of Melbourne
-
White Papers
Querying Linguistic Annotations
Nov 2008
Over the past decade, a variety of expressive linguistic query languages have been developed. The most scalable of these have been implemented on top of an existing database engine. However, with...
Provided by University of Melbourne
-
White Papers
Querying and Updating Treebanks: A Critical Survey and Requirements Analysis
Jan 2011
Language technology makes extensive use of hierarchically annotated text and speech data. These databases are stored in flat files and manipulated using corpus specific query tool or scripts....
Provided by University of Melbourne
-
White Papers
SelfTalk for Dena: Query Language and Runtime Support for Evaluating System Behavior
Sep 2009
The authors introduce SelfTalk, a novel declarative language that allows users to query and understand the status of a large scale system. SelfTalk is sufficiently expressive to encode an...
Provided by Association for Computing Machinery
-
White Papers
REQUEST: A Query Language for Customizing Recommendations
Feb 2009
Initially popularized by Amazon.com, recommendation technologies have become widespread over the past several years. However, the types of recommendations available to the users in these...
Provided by University of Minnesota
-
White Papers
Supplement Explanation of Paper "Efficient Anomaly Monitoring Over Moving Object Trajectory Streams"
Jun 2009
The authors want to emphasize that it is difficult to extend the discord definition from that targeted at static time series to trajectory stream scenario. That is the major reason why the authors...
Provided by UC Regents
-
White Papers
Efficient Anomaly Monitoring Over Moving Object Trajectory Streams
Jul 2009
Lately there exist increasing demands for online abnormality monitoring over trajectory streams, which are obtained from moving object tracking devices. This problem is challenging due to the...
Provided by Association for Computing Machinery
-
White Papers
Processing Spatial-Keyword (SK) Queries in Geographic Information Retrieval (GIR) Systems
Jul 2007
Location-based information contained in publicly available GIS databases is invaluable for many applications such as disaster response, national infrastructure protection, crime analysis, and...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Size Bounds and Query Plans for Relational Joins
Apr 2008
Relational joins are at the core of relational algebra, which in turn is the core of the standard database query language SQL. As their evaluation is expensive and very often dominated by the...
Provided by Budapest University of Technology and Economics
-
White Papers
Network-Aware Join Processing in Global-Scale Database Federations
Jan 2011
The authors introduce join scheduling algorithms that employ a balanced network utilization metric to optimize the use of all network paths in a global-scale database federation. This metric...
Provided by University of Maryland
-
White Papers
Incremental Cluster-Based Retrieval Using Compressed Cluster-Skipping Inverted Files
Dec 2007
The authors propose a unique Cluster-Based Retrieval (CBR) strategy using a new cluster-skipping inverted file for improving query processing efficiency. The new inverted file incorporates cluster...
Provided by Association for Computing Machinery
-
White Papers
OM: A Tunable Framework for Optimizing Continuous Queries Over Data Streams
Jan 2011
Continuous Query (CQ) is an important class of queries in Data Stream Management Systems. While much work has been done on algorithms for processing CQs, less attention has been paid to the issue...
Provided by UC Regents
-
White Papers
Real-Time, Load-Adaptive Processing of Continuous Queries Over Data Streams
May 2008
The authors introduce a new type of query, called a Real-time Continuous Query (RCQ), which captures the real-time requirements of processing data streams. They develop techniques to efficiently...
Provided by Boston University
-
White Papers
iJoin: Importance-Aware Join Approximation Over Data Streams
Jan 2011
The authors consider approximate join processing over data streams when memory limitations cause incoming tuples to overflow the available space, precluding exact processing. Selective eviction of...
Provided by Boston University
-
White Papers
Data Mining Technique and Application Based on Association Rules
Oct 2009
Data mining algorithm based on association rules have become hot point of research in the field of artificial intelligence and database. Aiming at the problems that current data mining algorithms...
Provided by Academy Publisher
-
White Papers
Implicit Authorization Mechanism of Object-Oriented Database
Sep 2010
Due to its special data structure and manipulative principle, Object-Oriented DataBase (OODB) has a particular security protection and authorization methods. This paper first introduces the...
Provided by Chongqing University
-
White Papers
Abstract Parsing With String Updates Using LR-Parsing Technology
Oct 2010
The authors combine LR (k)-parsing technology and data-flow analysis to analyze, in advance of execution, the documents generated dynamically by a program. Based on the document language's...
Provided by Hanyang University
-
White Papers
Batch Query Processing for Web Search Engines
Feb 2011
Large web search engines are now processing billions of queries per day. Most of these queries are interactive in nature, requiring a response in fractions of a second. However, there are also a...
Provided by Association for Computing Machinery
-
White Papers
Tangible Query Interfaces: Physically Constrained Tokens for Manipulating Database Queries
Jan 2011
The authors present a new approach for using physically constrained tokens to express, manipulate, and visualize parameterized database queries. This method extends tangible interfaces to enable...
Provided by Tufts University
-
White Papers
One Torus to Rule Them All: Multidimensional Queries in P2P Systems
Jan 2011
Peer-to-peer systems enable access to data spread over an extremely large number of machines. Most P2P systems support only simple lookup queries. However, many new applications, such as P2P photo...
Provided by Stanford University
-
White Papers
Supporting Continuous Range Queries in Indoor Space
Mar 2010
Range query processing is an important technology in spatial databases. Current studies mainly focus on range queries in outdoor space based on the Euclidean or network distances, but rarely any...
Provided by University of Florida
-
White Papers
CAL: A Generic Query and Analysis Language for Data Warehouses
May 2011
Data Warehouses (DWs) and OLAP systems are essential tools in organizational decision making. However, users of these systems are often provided with complex data models and system-specific GUIs...
Provided by University of Florida
-
White Papers
OLAP Formulations for Supporting Complex Spatial Objects in Data Warehouses
Jun 2011
In recent years, there has been a large increase in the amount of spatial data obtained from remote sensing, GPS receivers, communication terminals and other domains. Data warehouses help in...
Provided by University of Florida
-
White Papers
BigCube:A Metamodel for Managing Multidimensional Data
May 2010
New emerging scientific applications in geosciences, sensor and spatio-temporal domains require adaptive analysis frameworks that can handle large datasets with multiple dimensions. However,...
Provided by University of Florida
-
White Papers
Modeling and Querying Spatial Networks in Databases
Apr 2011
Infrastructures like transportation, power, and pipeline networks which are characterized by a spatial embedding are known as spatial networks. Spatial networks are ubiquitous in the everyday life...
Provided by University of Florida
-
White Papers
The Objects Interaction Graticule for Cardinal Direction Querying in Moving Objects Data Warehouses
Jun 2010
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial-way finding, GIS, qualitative spatial reasoning and in domains...
Provided by University of Florida
-
White Papers
On the Requirements for User-Centric Spatial Data Warehousing and SOLAP
Jan 2011
Data warehouses and OLAP systems help to analyze complex multidimensional data and provide decision support. With the availability of large amounts of spatial data in recent years, several new...
Provided by University of Florida
-
White Papers
Soft Computing Techniques in Spatial Databases
Sep 2009
Spatial database systems and geographical information systems are currently only able to support geographical applications that deal with crisp spatial objects, that is, objects whose extent,...
Provided by University of Florida
-
White Papers
Spatial and Spatio-Temporal Data Models and Languages
Nov 2007
A data model provides a formalism consisting of a notation for describing data of interest and of a set of operations for manipulating these data. It abstracts from reality and provides a...
Provided by University of Florida
-
White Papers
Spatial Data Types
Jan 2008
Data types are a well known concept in computer science (for example, in programming languages or in database systems). A data type defines a set of homogeneous values and the allowable operations...
Provided by University of Florida
-
White Papers
Moving Objects in Databases and GIS: State-of-the-Art and Open Problems
Apr 2009
The field of moving objects databases (Güting and Schneider 2005) has received a lot of research interest in recent years. This technology enables the user to model, store, retrieve, and query the...
Provided by University of Florida
-
White Papers
Fuzzy Spatial Data Types for Spatial Uncertainty Management in Databases
Jun 2007
Spatial database systems and geographical information systems are currently only able to support geographical applications that deal with crisp spatial objects, that is, objects whose extent,...
Provided by University of Florida
-
White Papers
ROSA: An Algebra for Rough Spatial Objects in Databases
Jul 2007
A fundamental data modeling problem in geographical information systems and spatial database systems refers to an appropriate treatment of the vagueness or indeterminacy features of spatial...
Provided by University of Florida
-
White Papers
A Moving Objects Database Infrastructure for Hurricane Research: Data Integration and Complex Object Management
May 2011
Current web-based weather event and satellite data portals provide large amounts of data over a historical timeline. However, users of these portals often get access to data only through limited,...
Provided by University of Florida
-
White Papers
Querying Vague Spatial Objects in Databases With VASA
Jul 2010
Recent years have been witness to the increasing efforts of scientists to design concepts and implementations that can adequately handle the vagueness and imprecision that is widespread in spatial...
Provided by University of Florida
-
White Papers
Spatial Vagueness and Imprecision in Databases
Mar 2008
The impossibility of current spatial database systems and GIS to handle spatial vagueness and imprecision has been recognized as an important problem in the spatial database domain. For years,...
Provided by Association for Computing Machinery
-
White Papers
Modeling Historical and Future Spatio-Temporal Relationships of Moving Objects in Databases
Jul 2007
Moving object databases have recently found large interest in the database community, geographical information systems, and geosciences. So far, moving object models have focused exclusively...
Provided by University of Florida
-
White Papers
Modeling Historical and Future Movements of Spatio-Temporal Objects in Moving Objects Databases
Aug 2007
Spatio-temporal databases deal with geometries changing over time. In general, geometries do not only change discretely but continuously; hence the authors are dealing with moving objects. In the...
Provided by University of Florida
