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MM
2004
ACM
129views Multimedia» more  MM 2004»
15 years 10 months ago
A novel log-based relevance feedback technique in content-based image retrieval
Relevance feedback has been proposed as an important technique to boost the retrieval performance in content-based image retrieval (CBIR). However, since there exists a semantic g...
Chu-Hong Hoi, Michael R. Lyu
ISCI
2008
108views more  ISCI 2008»
15 years 4 months ago
Modeling and manipulating the structure of hierarchical schemas for the web
The Semantic Web is the next step of the current Web where information will become more machine-understandable to support effective data discovery and integration. Hierarchical sc...
Theodore Dalamagas, Alexandra Meliou, Timos K. Sel...
ICDE
2002
IEEE
129views Database» more  ICDE 2002»
16 years 5 months ago
Active XQuery
Besides being adopted as the new interchange format for the Internet, XML is finding increasing acceptance as a native data repository language. In order to make XML repositories ...
Angela Bonifati, Daniele Braga, Alessandro Campi, ...
VLDB
2004
ACM
144views Database» more  VLDB 2004»
16 years 4 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
SEMWEB
2009
Springer
15 years 11 months ago
Towards Integrity Constraints in OWL
In many data-centric applications, it is desirable to use OWL as an expressive schema language with which one expresses constraints that must be satisfied by instance data. Howeve...
Evren Sirin, Jiao Tao