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» Query Containment for Data Integration Systems
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SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
14 years 26 days ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
PVLDB
2008
146views more  PVLDB 2008»
13 years 8 months ago
Graceful database schema evolution: the PRISM workbench
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...
Carlo Curino, Hyun Jin Moon, Carlo Zaniolo
ISSS
2002
IEEE
148views Hardware» more  ISSS 2002»
14 years 1 months ago
A Case Study of Hardware and Software Synthesis in ForSyDe
ForSyDe (FORmal SYstem DEsign) is a methodology which addresses the design of SoC applications which may contain control as well as data flow dominated parts. Starting with a for...
Ingo Sander, Axel Jantsch, Zhonghai Lu
EDBT
2010
ACM
200views Database» more  EDBT 2010»
14 years 3 months ago
Rewrite techniques for performance optimization of schema matching processes
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...
Eric Peukert, Henrike Berthold, Erhard Rahm
PVLDB
2008
205views more  PVLDB 2008»
13 years 8 months ago
Making SENSE: socially enhanced search and exploration
Online communities like Flickr, del.icio.us and YouTube have established themselves as very popular and powerful services for publishing and searching contents, but also for ident...
Tom Crecelius, Mouna Kacimi, Sebastian Michel, Tho...