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LREC
2010
144views Education» more  LREC 2010»
14 years 11 months ago
Evaluating Complex Semantic Artifacts
Evaluating complex Natural Language Processing (NLP) systems can prove extremely difficult. In many cases, the best one can do is to evaluate these systems indirectly, by looking ...
Christopher R. Walker, Hannah Copperman
CIKM
2010
Springer
14 years 8 months ago
Visual-semantic graphs: using queries to reduce the semantic gap in web image retrieval
We explore the application of a graph representation to model similarity relationships that exist among images found on the Web. The resulting similarity-induced graph allows us t...
Barbara Poblete, Benjamin Bustos, Marcelo Mendoza,...
CVPR
2009
IEEE
1413views Computer Vision» more  CVPR 2009»
16 years 5 months ago
Learning Semantic Scene Models by Object Classification and Trajectory Clustering
The visual surveillance task is to monitor the activity of objects in a scene. In far-field settings (i.e., wide outdoor areas), the majority of visible activities are objects movi...
Hanqing Lu, Stan Z. Li, Tianzhu Zhang
DOLAP
2006
ACM
15 years 3 months ago
Designing ETL processes using semantic web technologies
One of the most important tasks performed in the early stages of a data warehouse project is the analysis of the structure and content of the existing data sources and their inten...
Dimitrios Skoutas, Alkis Simitsis
DEXAW
2003
IEEE
136views Database» more  DEXAW 2003»
15 years 3 months ago
Ontology Based Semantic Similarity Comparison of Documents
In this work we consider ontologies as knowledge structures that specify terms, their properties and relations among them to enable knowledge extraction from texts. We represent o...
Vladimir A. Oleshchuk, Asle Pedersen