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PVLDB
2008
117views more  PVLDB 2008»
15 years 4 months ago
Interactive source registration in community-oriented information integration
Modern Internet communities need to integrate and query structured information. Employing current information integration infrastructure, data integration is still a very costly e...
Yannis Katsis, Alin Deutsch, Yannis Papakonstantin...
ICALP
2005
Springer
15 years 11 months ago
Improved Lower Bounds for Locally Decodable Codes and Private Information Retrieval
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...
Stephanie Wehner, Ronald de Wolf
KRDB
2003
184views Database» more  KRDB 2003»
15 years 7 months ago
Some Practical Issues in Building a Hybrid Deductive Geographic Information System with a DL Component
We report about some preliminary issues from the DFG project “Description Logics and Spatial Reasoning” (“DLS”, DFG Grant NE 279/8-1), one of whose goals is to develop a p...
Michael Wessel
EDBT
2002
ACM
139views Database» more  EDBT 2002»
16 years 6 months ago
Aggregate Processing of Planar Points
Abstract. Aggregate window queries return summarized information about objects that fall inside a query rectangle (e.g., the number of objects instead of their concrete ids). Tradi...
Yufei Tao, Dimitris Papadias, Jun Zhang
CIKM
2006
Springer
15 years 10 months ago
Constrained subspace skyline computation
In this paper we introduce the problem of Constrained Subspace Skyline Queries. This class of queries can be thought of as a generalization of subspace skyline queries using range...
Evangelos Dellis, Akrivi Vlachou, Ilya Vladimirski...