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KIVS
2005
Springer
14 years 1 months ago
Caching for Improved Retrieval in Peer-to-Peer Networks
: In modern information systems the dominant retrieval paradigms have shifted from exact matching towards retrieving a list of the most relevant objects. This is because users usua...
Wolf-Tilo Balke, Wolfgang Nejdl, Wolf Siberski, Uw...
PVLDB
2008
77views more  PVLDB 2008»
13 years 7 months ago
Community-driven data grids
Beyond already existing huge data volumes, e-science communities face major challenges in managing the anticipated data deluge of forthcoming projects. Community-driven data grids...
Tobias Scholl, Alfons Kemper
CIKM
2006
Springer
13 years 11 months ago
SaLSa: computing the skyline without scanning the whole sky
Skyline queries compute the set of Pareto-optimal tuples in a relation, i.e., those tuples that are not dominated by any other tuple in the same relation. Although several algorit...
Ilaria Bartolini, Paolo Ciaccia, Marco Patella
DEXA
2005
Springer
80views Database» more  DEXA 2005»
14 years 1 months ago
Optimizing I/O Costs of Multi-dimensional Queries Using Bitmap Indices
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...
Doron Rotem, Kurt Stockinger, Kesheng Wu
AUSAI
2004
Springer
14 years 1 months ago
Analyzing the Effect of Query Class on Document Retrieval Performance
Abstract. Analysis of queries posed to open-domain question-answering systems indicates that particular types of queries are dominant, e.g., queries about the identity of people, a...
Pawel Kowalczyk, Ingrid Zukerman, Michael Niemann