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» Information Extraction and Semantic Constraints
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ACL
2008
15 years 7 months ago
Kernels on Linguistic Structures for Answer Extraction
Natural Language Processing (NLP) for Information Retrieval has always been an interesting and challenging research area. Despite the high expectations, most of the results indica...
Alessandro Moschitti, Silvia Quarteroni
EMNLP
2009
15 years 3 months ago
Human-competitive tagging using automatic keyphrase extraction
This paper connects two research areas: automatic tagging on the web and statistical keyphrase extraction. First, we analyze the quality of tags in a collaboratively created folks...
Olena Medelyan, Eibe Frank, Ian H. Witten
STDBM
2004
Springer
171views Database» more  STDBM 2004»
15 years 11 months ago
Extracting Mobility Statistics from Indexed Spatio-Temporal Datasets
With the recent progress of spatial information technologies and mobile computing technologies, spatio-temporal databases which store information on moving objects including vehicl...
Yoshiharu Ishikawa, Yuichi Tsukamoto, Hiroyuki Kit...
SDB
1995
95views Database» more  SDB 1995»
15 years 9 months ago
Semantics of Database Transformations
Database transformations arise in many di erent settings including database integration, evolution of database systems, and implementing user views and data-entry tools. This paper...
Peter Buneman, Susan B. Davidson, Anthony Kosky
ESWS
2010
Springer
15 years 4 months ago
Modeling and Querying Metadata in the Semantic Sensor Web: The Model stRDF and the Query Language stSPARQL
Abstract. RDF will often be the metadata model of choice in the Semantic Sensor Web. However, RDF can only represent thematic metadata and needs to be extended if we want to model ...
Manolis Koubarakis, Kostis Kyzirakos