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INFORMATICALT
2008
162views more  INFORMATICALT 2008»
13 years 7 months ago
Vague Rough Set Techniques for Uncertainty Processing in Relational Database Model
Abstract. The study of databases began with the design of efficient storage and data sharing techniques for large amount of data. This paper concerns the processing of imprecision ...
Karan Singh, Samajh Singh Thakur, Mangi Lal
VLDB
2007
ACM
102views Database» more  VLDB 2007»
14 years 1 months ago
Depth Estimation for Ranking Query Optimization
A relational ranking query uses a scoring function to limit the results of a conventional query to a small number of the most relevant answers. The increasing popularity of this q...
Karl Schnaitter, Joshua Spiegel, Neoklis Polyzotis
ASC
2006
13 years 9 months ago
A WAM implementation for flexible query answering
In [7] Maria I. Sessa extended the SLD resolution principle with the ability of performing approximate reasoning and flexible query answering. The operational mechanism of similar...
Pascual Julián Iranzo, Clemente Rubio-Manza...
COOPIS
1994
IEEE
13 years 12 months ago
Query Translation Supporting the Migration of Legacy Databases into Cooperative Information Systems
In this paper, we present a query translation algorithm which allows object-oriented queries to be automatically translated into a relational query language. Our goal is to provid...
Daniel A. Keim, Hans-Peter Kriegel, Andreas Mieths...
ICDE
2002
IEEE
232views Database» more  ICDE 2002»
14 years 9 months ago
DBXplorer: A System for Keyword-Based Search over Relational Databases
Internet search engines have popularized the keywordbased search paradigm. While traditional database management systems offer powerful query languages, they do not allow keyword-...
Sanjay Agrawal, Surajit Chaudhuri, Gautam Das