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(2416 results)-
White Papers
Study on Cross Tabulation Query in Data Mining and Statistical Data Analysis
July 1, 2011 12:00am PDT
Cross tabulation query can give a more complete picture of past and current trends as well as possible future outcomes of mess data, it usually involves aggregation of data, at the same time, a...
Provided by: Shandong Institute of Business And Technology
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Discussion Threads
10 ways to screw up your spreadsheet design
June 23, 2011 9:08am PDT
10 ways to screw up your spreadsheet design article root Right on! This should be required reading for EVERYBODY before even opening Excel for the first time. #2: Most people at my former...
81 Started by damiross@... | Latest comment by margswarnabhoomi
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Blog Post
Harness the power of Subtotal in Excel to count grouped items
June 22, 2011 8:14am PDT
Excel's Subtotal feature can render quick results when you need simple grouping calculations. Susan Harkins shows you how this powerful feature works.
4 Latest comment by danny@...
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White Papers
Cross-Layer Optimization for Wireless Mesh Networks With Smart Antennas
June 21, 2011 12:00am PDT
A cross-layer optimization framework for wireless mesh networks is presented where at each node, various smart antenna techniques such as beam-forming, spatial division multiple access and spatial...
Provided by: Reed Elsevier
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White Papers
Llama: Leveraging Columnar Storage for Scalable Join Processing in the MapReduce Framework
June 16, 2011 12:00am PDT
To achieve high reliability and scalability, most large-scale data warehouse systems have adopted the cluster-based architecture. In this paper, the authors propose the design of a new...
Provided by: Association for Computing Machinery
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White Papers
Automatic Discovery of Attributes in Relational Databases
June 16, 2011 12:00am PDT
In this paper, the authors design algorithms for clustering relational columns into attributes, i.e., for identifying strong relationships between columns based on the common properties and...
Provided by: Association for Computing Machinery
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Discussion Threads
Run two differant queries in one table for two differant table
June 15, 2011 11:46am PDT
Run two differant queries in one table for two differant table I want to run some queries which can help me to get result: I am new for sql I have two different tables Item and ItemDynamic In...
2 Started by pratikgosvami90 | Latest comment by Tony Hopkinson
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Discussion Threads
how to update a column which is a primary key
June 1, 2011 6:27am PDT
how to update a column which is a primary key I have a table that keeps information of organization's members and each member is assigned a unique id, there are few members who for some reasons...
1 Started by jazzygodfrey | Latest comment by jazzygodfrey
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White Papers
Eliminating Energy of Same-Content-Cell-Columns of On-Chip SRAM Arrays
May 25, 2011 12:00am PDT
This paper proposes to reduce energy by avoiding access to columns of on-chip SRAM arrays whose cell contents are all 1s or all 0s. The authors refer to this dynamic phenomenon as the...
Provided by: University of Cyprus
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Discussion Threads
Outlook email to excel: parse body text
April 27, 2011 9:28am PDT
Outlook email to excel: parse body text Hello, I am new to this site and forum. I have been doing some research on how to parse text from an email in outlook and then have it save it to a excel...
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Whitepapers
DBDOC: Querying and Browsing Databases and Interrelated Documents
April 27, 2011 12:00am PDT
Large collections of documents are commonly created around a database, where a typical database schema may contain hundreds of tables and thousands of columns. The authors developed a system based...
Provided by: Association for Computing Machinery
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Whitepapers
Multi-Level Round-Robin Multicast Scheduling With Look-Ahead Mechanism
April 26, 2011 12:00am PDT
In this paper, the authors propose a Multi-Level Round-Robin Multicast Scheduling (MLRRMS) algorithm with Look-Ahead (LA) mechanism for N×N input-queued switches. Fan-out splitting is applied,...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Design of P-Cycles for Full Node Protection in WDM Mesh Networks
April 26, 2011 12:00am PDT
The authors propose a p-cycle expanded protection scheme that can guarantee 100% node protection, in addition to 100% protection against single link failures. While some previous studies had...
Provided by: Institute of Electrical & Electronic Engineers Inc
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Whitepapers
Controlling LDPC Absorbing Sets Via the Null Space of the Cycle Consistency Matrix
April 26, 2011 12:00am PDT
This paper focuses on controlling absorbing sets for a class of regular LDPC codes, known as Separable, Circulant-Based (SCB) codes. For a specified circulant matrix, SCB codes all share a common...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Repairing OLAP Queries in Databases With Referential Integrity Errors
April 20, 2011 12:00am PDT
Many database applications and OLAP tools dynamically generate SQL queries involving join operators and aggregate functions and send these queries to a database server for execution. This...
Provided by: Association for Computing Machinery
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Whitepapers
Estimating and Bounding Aggregations in Databases With Referential Integrity Errors
April 20, 2011 12:00am PDT
Database integration builds on tables coming from multiple databases by creating a single view of all these data. Each database has different tables, columns with similar content across databases...
Provided by: Association for Computing Machinery
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Whitepapers
Extended Aggregations for Databases With Referential Integrity Issues
April 20, 2011 12:00am PDT
Querying databases with incomplete or inconsistent content remains a broad and difficult problem. In this paper, the authors study how to improve aggregations computed on databases with...
Provided by: University of Houston
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Q&A
How can I move data from 1 xls worksheet to a 2nd (records not all same)?
April 17, 2011 12:40pm PDT
How can I move data from 1 xls worksheet to a 2nd (records not all same)? I have data on one spreadsheet, I'd like to add to another. EXAMPLE: Record ID's 1 2 3 4 5 exist on one worksheet, with...
3 Started by mikef42 | Latest comment by oldbaritone
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Discussion Threads
Transpose in Excel
April 13, 2011 3:27am PDT
Transpose in Excel I need to transpose a huge data placed in different columns into a single row. Please help me out solve this .
1 Started by Srinivasmurthy83 | Latest comment by Srinivasmurthy83
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Discussion Threads
Ubuntu 11.04: Small issues, big win
April 11, 2011 9:18am PDT
Ubuntu 11.04: Small issues, big win article root Time to try a full install? I've been a fan of Ubuntu for some time but honestly never have dedicated hardware to it. I have utilized various...
112 Started by DavidShepherd | Latest comment by apotheon
