Sciweavers

1521 search results - page 113 / 305
» On Sampled Semantics of Timed Systems
Sort
View
SIGMOD
2007
ACM
156views Database» more  SIGMOD 2007»
15 years 10 months ago
Mashup Feeds: : continuous queries over web services
Mashup Feeds is a system that supports integrated web service feeds as continuous queries. We introduce collectionbased stream processing semantics to enable information extractio...
Arsany Sawires, Divyakant Agrawal, Jun'ichi Tatemu...
AUSAI
2007
Springer
15 years 4 months ago
The Semantic Representation of Temporal Expressions in Text
Abstract. Temporal expressions—references to points in time or periods of time—are widespread in text, and their proper interpretation is essential for any natural language pro...
Robert Dale, Pawel P. Mazur
VLDB
2005
ACM
165views Database» more  VLDB 2005»
15 years 3 months ago
Semantic Adaptation of Schema Mappings when Schemas Evolve
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
Cong Yu, Lucian Popa
MTA
2011
263views Hardware» more  MTA 2011»
14 years 5 months ago
Event detection and recognition for semantic annotation of video
Research on methods for detection and recognition of events and actions in videos is receiving an increasing attention from the scientific community, because of its relevance for ...
Lamberto Ballan, Marco Bertini, Alberto Del Bimbo,...
ESWS
2009
Springer
15 years 4 months ago
Ranking Approximate Answers to Semantic Web Queries
We consider the problem of a user querying semistructured data such as RDF without knowing its structure. In these circumstances, it is helpful if the querying system can perform a...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...