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» Querying Communities in Relational Databases
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VL
1998
IEEE
172views Visual Languages» more  VL 1998»
15 years 3 months ago
VIQING: Visual Interactive Querying
This paper presents VIQING, an environment for expressing queries via direct manipulation of data visualizations. VIQING provides a simple graphical interface for connecting visua...
Chris Olston, Michael Stonebraker, Alexander Aiken...
WWW
2002
ACM
16 years 8 days ago
Translating XSLT programs to Efficient SQL queries
We present an algorithm for translating XSLT programs into SQL. Our context is that of virtual XML publishing, in which a single XML view is defined from a relational database, an...
Sushant Jain, Ratul Mahajan, Dan Suciu
SSDBM
2005
IEEE
184views Database» more  SSDBM 2005»
15 years 5 months ago
Optimizing Multiple Top-K Queries over Joins
Advanced Data Mining applications require more and more support from relational database engines. Especially clustering applications in high dimensional features space demand a pr...
Dirk Habich, Wolfgang Lehner, Alexander Hinneburg
ICDT
2001
ACM
162views Database» more  ICDT 2001»
15 years 4 months ago
Algebraic Rewritings for Optimizing Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
Gösta Grahne, Alex Thomo
VLDB
2002
ACM
98views Database» more  VLDB 2002»
14 years 11 months ago
Processing Star Queries on Hierarchically-Clustered Fact Tables
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
Nikos Karayannidis, Aris Tsois, Timos K. Sellis, R...