FRINK Linked Data Fragments server

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• W3105251181 abstract "A critical challenge in constructing a natural language interface to database (NLIDB) is bridging the semantic gap between a natural language query (NLQ) and the underlying data. Two specific ways this challenge exhibits itself is through keyword mapping and join path inference. Keyword mapping is the task of mapping individual keywords in the original NLQ to database elements (such as relations, attributes or values). It is challenging due to the ambiguity in mapping the user's mental model and diction to the schema definition and contents of the underlying database. Join path inference is the process of selecting the relations and join conditions in the FROM clause of the final SQL query, and is difficult because NLIDB users lack the knowledge of the database schema or SQL and therefore cannot explicitly specify the intermediate tables and joins needed to construct a final SQL query. In this paper, we propose leveraging information from the SQL query log of a database to enhance the performance of existing NLIDBs with respect to these challenges. We present a system Templar that can be used to augment existing NLIDBs. Our extensive experimental evaluation demonstrates the effectiveness of our approach, leading up to 138% improvement in top-1 accuracy in existing NLIDBs by leveraging SQL query log information." @default.
• W3105251181 created "2020-11-23" @default.
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• W3105251181 date "2019-04-01" @default.
• W3105251181 modified "2023-10-01" @default.
• W3105251181 title "Bridging the Semantic Gap with SQL Query Logs in Natural Language Interfaces to Databases" @default.
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• W3105251181 doi "https://doi.org/10.1109/icde.2019.00041" @default.
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