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» Query Caching and View Selection for XML Databases
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VLDB
2002
ACM
91views Database» more  VLDB 2002»
13 years 7 months ago
DTD-Directed Publishing with Attribute Translation Grammars
We present a framework for publishing relational data in XML with respect to a fixed DTD. In data exchange on the Web, XML views of relational data are typically required to confo...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Raje...
SIGMOD
2006
ACM
194views Database» more  SIGMOD 2006»
14 years 7 months ago
Graph-based synopses for relational selectivity estimation
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
Joshua Spiegel, Neoklis Polyzotis
3DPVT
2006
IEEE
171views Visualization» more  3DPVT 2006»
14 years 1 months ago
Image Based Localization in Urban Environments
In this paper we present a prototype system for image based localization in urban environments. Given a database of views of city street scenes tagged by GPS locations, the system...
Wei Zhang, Jana Kosecka
SIGMOD
2002
ACM
119views Database» more  SIGMOD 2002»
14 years 7 months ago
Rate-based query optimization for streaming information sources
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
Stratis Viglas, Jeffrey F. Naughton
VLDB
2000
ACM
129views Database» more  VLDB 2000»
13 years 11 months ago
Offering a Precision-Performance Tradeoff for Aggregation Queries over Replicated Data
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
Chris Olston, Jennifer Widom