Cluster-based Instance Consolidation For Subsequent MatchingTweet
Book Title: First International Workshop on Knowledge Extraction and Consolidation from Social Media
Date: November 11, 2012
Abstract: Instance consolidation is a way to merge instances that are thought to be the same or closely related that can be used to support coreference resolution and entity linking. For Semantic Web data, consolidating instances can be as simple as relating instances using owl:sameAs, as is the case in linked data, or merging instances that could then be used to populate or enrich a knowledge model. In many applications, systems process data incrementally over time and as new data is processed, the state of the knowledge model changes. Previous consolidations could prove to be incorrect. Consequently, a more abstract representation is needed to support instance consolidation. We describe our current research to perform consolidation that includes temporal support, support to resolve conflicts and an abstract representation of an instance that is the aggregate of a cluster of matched instances. We believe that this model will prove flexible enough to handle sparse instance data and can improve the accuracy of the knowledge model over time.
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