951 search results - page 147 / 191 » Groupwise Processing of Relational Queries |
EDBT
2006
ACM
15 years 10 months ago
2006
ACM
Abstract. Modern document collections often contain groups of documents with overlapping or shared content. However, most information retrieval systems process each document separa...
115
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ICIW
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper, we present an extension of PHIL, a declarative language for filtering information from XML data. The proposed approach allows us to extract relevant data as well a...
ICWE
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. In recent years, more and more publications and material for studying and teaching, e. g. for Web-based teaching (WBT), appear "online" and digital libraries ar...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
The empirical investigation of the effectiveness of information retrieval (IR) systems requires a test collection, a set of query topics, and a set of relevance judgments made by ...
111
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SIGMOD
1997
ACM
15 years 2 months ago
1997
ACM
Aggregation in traditional database systems is performed in batch mode: a query is submitted, the system processes a large volume of data over a long period of time, and, eventual...