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ICDT
2010
ACM
147views Database» more  ICDT 2010»
15 years 3 months ago
Querying Parse Trees of Stochastic Context-Free Grammars
Stochastic context-free grammars (SCFGs) have long been recognized as useful for a large variety of tasks including natural language processing, morphological parsing, speech reco...
Sara Cohen, Benny Kimelfeld
CIKM
2008
Springer
15 years 1 months ago
Intra-document structural frequency features for semi-supervised domain adaptation
In this work we try to bridge the gap often encountered by researchers who find themselves with few or no labeled examples from their desired target domain, yet still have access ...
Andrew Arnold, William W. Cohen
CIVR
2008
Springer
207views Image Analysis» more  CIVR 2008»
15 years 1 months ago
Accumulated motion energy fields estimation and representation for semantic event detection
In this paper, a motion-based approach for detecting highlevel semantic events in video sequences is presented. Its main characteristic is its generic nature, i.e. it can be direc...
Georgios Th. Papadopoulos, Vasileios Mezaris, Ioan...
CIKM
2010
Springer
14 years 10 months ago
Novel local features with hybrid sampling technique for image retrieval
In image retrieval, most existing approaches that incorporate local features produce high dimensional vectors, which lead to a high computational and data storage cost. Moreover, ...
Leszek Kaliciak, Dawei Song, Nirmalie Wiratunga, J...
ICMI
2009
Springer
196views Biometrics» more  ICMI 2009»
14 years 9 months ago
Communicative gestures in coreference identification in multiparty meetings
During multiparty meetings, participants can use non-verbal modalities such as hand gestures to make reference to the shared environment. Therefore, one hypothesis is that incorpo...
Tyler Baldwin, Joyce Y. Chai, Katrin Kirchhoff