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ICDT
2003
ACM
121views Database» more  ICDT 2003»
15 years 3 months ago
Deciding Termination of Query Evaluation in Transitive-Closure Logics for Constraint Databases
We study extensions of first-order logic over the reals with different types of transitive-closure operators as query languages for constraint databases that can be described by...
Floris Geerts, Bart Kuijpers
CIDR
2003
163views Algorithms» more  CIDR 2003»
14 years 11 months ago
Query Processing, Approximation, and Resource Management in a Data Stream Management System
This paper describes our ongoing work developing the Stanford Stream Data Manager (STREAM), a system for executing continuous queries over multiple continuous data streams. The ST...
Rajeev Motwani, Jennifer Widom, Arvind Arasu, Bria...
CHI
2005
ACM
15 years 10 months ago
QueryLines: approximate query for visual browsing
We introduce approximate query techniques for searching and analyzing two-dimensional data sets such as line or scatter plots. Our techniques allow users to explore a dataset by d...
Kathy Ryall, Neal Lesh, Tom Lanning, Darren Leigh,...
ICDE
2009
IEEE
159views Database» more  ICDE 2009»
15 years 11 months ago
Sketch-Based Summarization of Ordered XML Streams
XML streams, such as RSS feeds or complex event streams, are becoming increasingly pervasive as they provide the foundation for a wide range of emerging applications. An important...
Veronica Mayorga, Neoklis Polyzotis
SIGMOD
2011
ACM
176views Database» more  SIGMOD 2011»
14 years 19 days ago
Sharing work in keyword search over databases
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
Marie Jacob, Zachary G. Ives