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SAC
2011
ACM
14 years 9 months ago
Tracking continuous topological changes of complex moving regions
A moving region whose location and extend change over time can imply topological changes such as region split and hole formation. To study this phenomenon is useful in many applic...
Hechen Liu, Markus Schneider
ICCV
2011
IEEE
14 years 6 months ago
Contextual Weighting for Vocabulary Tree based Image Retrieval
In this paper we address the problem of image retrieval from millions of database images. We improve the vocabulary tree based approach by introducing contextual weighting of loca...
Xiaoyu Wang, Ming Yang, Timothee Cour, Shenghuo Zh...
SIGMOD
2005
ACM
99views Database» more  SIGMOD 2005»
16 years 6 months ago
LiXQuery: a formal foundation for XQuery research
XQuery is considered to become the standard query language for XML documents. However, the complete XQuery syntax and semantics seem too complicated for research and educational p...
Jan Hidders, Philippe Michiels, Jan Paredaens, Roe...
EDBT
2002
ACM
92views Database» more  EDBT 2002»
16 years 6 months ago
XQuery by the Book: The IPSI XQuery Demonstrator
The IPSI XQuery Demonstrator (IPSI-XQ) implements the XQuery surface syntax, its mapping to the XQuery Core Language, and the static and dynamic semantics of XQuery Core "by t...
Peter Fankhauser, Tobias Groh, Sven Overhage
DEXAW
2009
IEEE
171views Database» more  DEXAW 2009»
16 years 1 months ago
Ontology Knowledge Authoring by Natural Language Empowerment
One of the main limitations in using ontologies in modern information systems is due to the fact that the design and maintenance of ontologies is a complex activity that requires ...
Alfio Ferrara, Stefano Montanelli, Gaia Varese, Si...