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» SQL Queries Over Unstructured Text Databases
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ODBIS
2007
Springer
150views Database» more  ODBIS 2007»
13 years 10 months ago
An Effective SPARQL Support over Relational Databases
Supporting SPARQL queries over relational databases becomes an active topic recently. However, it has not received enough consideration when SPARQL queries include restrictions on...
Jing Lu, Feng Cao, Li Ma, Yong Yu, Yue Pan
CIKM
2005
Springer
13 years 10 months ago
Towards automatic association of relevant unstructured content with structured query results
Faced with growing knowledge management needs, enterprises are increasingly realizing the importance of seamlessly integrating critical business information distributed across bot...
Prasan Roy, Mukesh K. Mohania, Bhuvan Bamba, Shree...
ICDE
2007
IEEE
128views Database» more  ICDE 2007»
13 years 11 months ago
Auditing a Batch of SQL Queries
In this paper, we study the problem of auditing a batch of SQL queries: given a set of SQL queries that have been posed over a database, determine whether some subset of these quer...
Rajeev Motwani, Shubha U. Nabar, Dilys Thomas
ICDT
2007
ACM
126views Database» more  ICDT 2007»
13 years 10 months ago
Containment of Conjunctive Queries over Databases with Null Values
Abstract. We study containment of conjunctive queries that are evaluated over databases that may contain tuples with null values. We assume the semantics of SQL for single block qu...
Carles Farré, Werner Nutt, Ernest Teniente,...
IDEAS
2006
IEEE
100views Database» more  IDEAS 2006»
13 years 10 months ago
Data-Driven Publication of Relational Databases
The paper presents a framework for publishing relational databases in textual documents such as mails, HTML pages, LATEX or BibTex files, plain texts, etc. The publication proces...
Sonia Guehis, Philippe Rigaux, Emmanuel Waller