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» Query Processing Using Ontologies
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ICDE
2009
IEEE
170views Database» more  ICDE 2009»
16 years 8 months ago
Semantics of Ranking Queries for Probabilistic Data and Expected Ranks
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...
Graham Cormode, Feifei Li, Ke Yi
VLDB
2004
ACM
227views Database» more  VLDB 2004»
15 years 11 months ago
Approximate NN queries on Streams with Guaranteed Error/performance Bounds
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...
Nick Koudas, Beng Chin Ooi, Kian-Lee Tan, Rui Zhan...
ICDT
2010
ACM
195views Database» more  ICDT 2010»
15 years 10 months ago
Answering Non-Monotonic Queries in Relational Data Exchange
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
André Hernich
DOLAP
2010
ACM
15 years 4 months ago
Towards OLAP query reformulation in peer-to-peer data warehousing
Inter-business collaborative contexts prefigure a distributed scenario where companies organize and coordinate themselves to develop common and shared opportunities. Traditional b...
Matteo Golfarelli, Federica Mandreoli, Wilma Penzo...
ELPUB
2006
ACM
16 years 9 days ago
Knowledge-Based Search in Collections of Digitized Manuscripts: First Results
The paper presents in brief a methodology for development of tools for knowledge-based search in repositories of digitized manuscripts. It is designated to assist the search activ...
Pavel Pavlov, Maria Nisheva-Pavlova