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» Representing and Querying Data Transformations
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SIGIR
1996
ACM
14 years 3 months ago
A Deductive Data Model for Query Expansion
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
Kalervo Järvelin, Jaana Kristensen, Timo Niem...
WWW
2005
ACM
14 years 4 months ago
X-warehouse: building query pattern-driven data
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
Ji Zhang, Wei Wang, Han Liu, Sheng Zhang
OTM
2010
Springer
13 years 8 months ago
Supporting Complex Changes in Evolving Interrelated Web Databanks
In this paper we deal with problems occurring in evolving interrelated Web databanks. Examples of such databanks are networks of interlinked scientific repositories on the Web, man...
Yannis Stavrakas, George Papastefanatos
ICDE
2005
IEEE
136views Database» more  ICDE 2005»
15 years 6 days ago
Bloom Filter-based XML Packets Filtering for Millions of Path Queries
The filtering of XML data is the basis of many complex applications. Lots of algorithms have been proposed to solve this problem[2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 18]. One importan...
Xueqing Gong, Ying Yan, Weining Qian, Aoying Zhou
VISUALIZATION
1993
IEEE
14 years 3 months ago
Visual Feedback in Querying Large Databases
In this paper, we describe a database query system that provides visual relevance feedback in querying large databases. The goal of our system is to support the query specificati...
Daniel A. Keim, Hans-Peter Kriegel, Thomas Seidl