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» Semantic frameworks for e-government
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ICCV
2007
IEEE
16 years 8 months ago
Interactive Search for Image Categories by Mental Matching
Traditional image retrieval methods require a "query image" to initiate a search for members of an image category. However, when the image database is unstructured, and ...
Marin Ferecatu, Donald Geman
KDD
2009
ACM
193views Data Mining» more  KDD 2009»
16 years 7 months ago
Probabilistic frequent itemset mining in uncertain databases
Probabilistic frequent itemset mining in uncertain transaction databases semantically and computationally differs from traditional techniques applied to standard "certain&quo...
Andreas Züfle, Florian Verhein, Hans-Peter Kr...
VLDB
2001
ACM
151views Database» more  VLDB 2001»
16 years 6 months ago
Approximate query mapping: Accounting for translation closeness
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
VLDB
2001
ACM
104views Database» more  VLDB 2001»
16 years 6 months ago
Global transaction support for workflow management systems: from formal specification to practical implementation
In this paper, we present an approach to global transactionmanagementinworkflowenvironments.Thetransaction mechanism is based on the well-known notion of compensation, but extended...
Paul W. P. J. Grefen, Jochem Vonk, Peter M. G. Ape...
VLDB
2004
ACM
144views Database» more  VLDB 2004»
16 years 6 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa