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Pema, Enela1
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Consistent Query Answering of Conjunctive Queries under Primary Key Constraints
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Pema, Enela – ProQuest LLC, 2014
An inconsistent database is a database that violates one or more of its integrity constraints. In reality, violations of integrity constraints arise frequently under several different circumstances. Inconsistent databases have long posed the challenge to develop suitable tools for meaningful query answering. A principled approach for querying…
Descriptors: Databases, Integrity, Reliability, Online Searching
Entity Relation Detection with Factorial Hidden Markov Models and Maximum Entropy Discriminant Latent Dirichlet Allocations
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Li, Dingcheng – ProQuest LLC, 2011
Coreference resolution (CR) and entity relation detection (ERD) aim at finding predefined relations between pairs of entities in text. CR focuses on resolving identity relations while ERD focuses on detecting non-identity relations. Both CR and ERD are important as they can potentially improve other natural language processing (NLP) related tasks…
Descriptors: Information Retrieval, Form Classes (Languages), Computation, Natural Language Processing