Sciweavers

105 search results - page 6 / 21
» On the use of relevance feedback in IR-based concept locatio...
Sort
View
IPM
2006
108views more  IPM 2006»
13 years 7 months ago
Using searcher simulations to redesign a polyrepresentative implicit feedback interface
Information seeking is traditionally conducted in environments where search results are represented at the user interface by a minimal amount of meta-information such as titles an...
Ryen W. White
KI
2010
Springer
13 years 6 months ago
Positions, Regions, and Clusters: Strata of Granularity in Location Modelling
Location models are data structures or knowledge bases used in Ubiquitous Computing for representing and reasoning about spatial relationships between so-called smart objects, i.e....
Hedda Rahel Schmidtke, Michael Beigl
AAAI
2008
13 years 10 months ago
Concept-Based Feature Generation and Selection for Information Retrieval
Traditional information retrieval systems use query words to identify relevant documents. In difficult retrieval tasks, however, one needs access to a wealth of background knowled...
Ofer Egozi, Evgeniy Gabrilovich, Shaul Markovitch
JCDL
2010
ACM
180views Education» more  JCDL 2010»
14 years 24 days ago
Spatiotemporal mapping of Wikipedia concepts
Space and time are important dimensions in the representation of a large number of concepts. However there exists no available resource that provides spatiotemporal mappings of ge...
Adrian Popescu, Gregory Grefenstette
MM
2009
ACM
147views Multimedia» more  MM 2009»
14 years 2 months ago
Distribution-based concept selection for concept-based video retrieval
Query-to-concept mapping plays one of the keys to concept-based video retrieval. Conventional approaches try to find concepts that are likely to co-occur in the relevant shots fro...
Juan Cao, HongFang Jing, Chong-Wah Ngo, Yongdong Z...