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COMAD
2009
13 years 8 months ago
Querying for relations from the semi-structured Web
We present a class of web queries whose result is a multi-column relation instead of a collection of unstructured documents as in standard web search. The user specifies the query...
Sunita Sarawagi
SIGMOD
2007
ACM
120views Database» more  SIGMOD 2007»
14 years 7 months ago
Xpath on steroids: exploiting relational engines for xpath performance
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
Haris Georgiadis, Vasilis Vassalos
DATAMINE
2000
113views more  DATAMINE 2000»
13 years 7 months ago
Informix under CONTROL: Online Query Processing
The goal of the CONTROL project at Berkeley is to develop systems for interactive analysis of large data sets. We focus on systems that provide users with iteratively refining answ...
Joseph M. Hellerstein, Ron Avnur, Vijayshankar Ram...
IDEAS
2008
IEEE
153views Database» more  IDEAS 2008»
14 years 1 months ago
Pattern based processing of XPath queries
As the popularity of areas including document storage and distributed systems continues to grow, the demand for high performance XML databases is increasingly evident. This has le...
Gerard Marks, Mark Roantree
SIGMOD
2007
ACM
169views Database» more  SIGMOD 2007»
14 years 7 months ago
Scalable approximate query processing with the DBO engine
This paper describes query processing in the DBO database system. Like other database systems designed for ad-hoc, analytic processing, DBO is able to compute the exact answer to ...
Christopher M. Jermaine, Subramanian Arumugam, Abh...