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» A System for Semantic Query Optimization
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SAC
2011
ACM
13 years 7 hour ago
Site-autonomous distributed semantic caching
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...
Norvald H. Ryeng, Jon Olav Hauglid, Kjetil N&oslas...
SIGMOD
2006
ACM
127views Database» more  SIGMOD 2006»
14 years 9 months ago
Query evaluation using overlapping views: completeness and efficiency
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
Gang Gou, Maxim Kormilitsin, Rada Chirkova
SIGMOD
2000
ACM
236views Database» more  SIGMOD 2000»
14 years 1 months ago
XTRACT: A System for Extracting Document Type Descriptors from XML Documents
XML is rapidly emerging as the new standard for data representation and exchange on the Web. An XML document can be accompanied by a Document Type Descriptor (DTD) which plays the...
Minos N. Garofalakis, Aristides Gionis, Rajeev Ras...
ICMCS
2007
IEEE
126views Multimedia» more  ICMCS 2007»
14 years 3 months ago
Learning from Relevance Feedback Sessions using a K-Nearest-Neighbor-Based Semantic Repository
This paper introduces a flexible learning approach for image retrieval with relevance feedback. A semantic repository is constructed offline by applying the k-nearest-neighborbase...
Matthew Royal, Ran Chang, Xiaojun Qi
COMMA
2006
13 years 10 months ago
Towards Representing and Querying Arguments on the Semantic Web
This paper demonstrates the potential of the Semantic Web as a platform for representing, navigating and processing arguments on a global scale. We use the RDF Schema (RDFS) ontolo...
Iyad Rahwan, P. V. Sakeer