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» On performance of topical opinion retrieval
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TASLP
2002
99views more  TASLP 2002»
13 years 7 months ago
A system for spoken query information retrieval on mobile devices
Abstract--With the proliferation of handheld devices, information access on mobile devices is a topic of growing relevance. This paper presents a system that allows the user to sea...
E. Chang, Frank Seide, Helen M. Meng, Zhuoran Chen...
KDD
2002
ACM
186views Data Mining» more  KDD 2002»
14 years 8 months ago
Topic-conditioned novelty detection
Automated detection of the first document reporting each new event in temporally-sequenced streams of documents is an open challenge. In this paper we propose a new approach which...
Yiming Yang, Jian Zhang, Jaime G. Carbonell, Chun ...
CIVR
2007
Springer
247views Image Analysis» more  CIVR 2007»
14 years 1 months ago
Near-duplicate keyframe retrieval with visual keywords and semantic context
Near-duplicate keyframes (NDK) play a unique role in large-scale video search, news topic detection and tracking. In this paper, we propose a novel NDK retrieval approach by explo...
Xiao Wu, Wanlei Zhao, Chong-Wah Ngo
MIR
2006
ACM
150views Multimedia» more  MIR 2006»
14 years 1 months ago
Exploring temporal consistency for video analysis and retrieval
Temporal consistency is ubiquitous in video data, where temporally adjacent video shots usually share similar visual and semantic content. This paper presents a thorough study of ...
Jun Yang 0003, Alexander G. Hauptmann
SIGIR
2005
ACM
14 years 1 months ago
Information retrieval system evaluation: effort, sensitivity, and reliability
The effectiveness of information retrieval systems is measured by comparing performance on a common set of queries and documents. Significance tests are often used to evaluate the...
Mark Sanderson, Justin Zobel