Linking Temporal Records

Many data sets contain temporal records over a long period of time; each record is associated with a time stamp and describes some aspects of a real-world entity at that particular time (e.g., author information in DBLP). In such cases, the authors often wish to identify records that describe the same entity over time and so be able to enable interesting longitudinal data analysis. However, existing record linkage techniques ignore the temporal information and can fall short for temporal data. This paper studies linking temporal records. First, they apply time decay to capture the effect of elapsed time on entity value evolution. Second, instead of comparing each pair of records locally, they propose clustering methods that consider time order of the records and make global decisions.

Provided by: VLD Digital Topic: Data Management Date Added: Sep 2011 Format: PDF

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