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EDBT
2008
ACM
147views Database» more  EDBT 2008»
16 years 6 months ago
BITPEER: continuous subspace skyline computation with distributed bitmap indexes
In this paper, we propose a bitmap approach for efficient subspace skyline computation in a distributed setting. Our approach computes extended skylines which have been shown to i...
Katerina Fotiadou, Evaggelia Pitoura
CIKM
2009
Springer
16 years 27 days ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
VLDB
2005
ACM
132views Database» more  VLDB 2005»
15 years 11 months ago
MIX: A Meta-data Indexing System for XML
We present a system for efficient meta-data indexed querying of XML documents. Given the diversity of the information available in XML, it is very useful to annotate XML data wit...
SungRan Cho, Nick Koudas, Divesh Srivastava
DEXAW
2002
IEEE
167views Database» more  DEXAW 2002»
15 years 11 months ago
Integrating Heterogeneous Data Sources with XML and XQuery
XML has emerged as the leading language for representing and exchanging data not only on the Web, but also in general in the enterprise. XQuery is emerging as the standard query l...
Georges Gardarin, Antoine Mensch, Tuyet-Tram Dang-...
ADBIS
2001
Springer
115views Database» more  ADBIS 2001»
15 years 10 months ago
Interactive Constraint-Based Sequential Pattern Mining
Data mining is an interactive and iterative process. It is very likely that a user will execute a series of similar queries differing in pattern constraints and mining parameters,...
Marek Wojciechowski