Resolution-based Query Answering for Semantic Access to Relational Databases: A Research Note

Details Resolution-based Query Answering for Semantic Access to Relational Databases: A Research Note Resolution-based Query Answering for Semantic Access to Relational Databases: A Research Note

2009-01-03

arxiv.org/abs/0901.0339v3

Computer Science

Logic in Computer Science

Scientific paper

We address the problem of semantic querying of relational databases (RDB) modulo knowledge bases using very expressive knowledge representation formalisms, such as full first-order logic or its various fragments. We propose to use a first-order logic (FOL) reasoner for computing schematic answers to deductive queries, with the subsequent instantiation of these schematic answers using a conventional relational DBMS. In this research note, we outline the main idea of this technique -- using abstractions of databases and constrained clauses for deriving schematic answers. The proposed method can be directly used with regular RDB, including legacy databases. Moreover, we propose it as a potential basis for an efficient Web-scale semantic search technology.

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