Sciweavers

8298 search results - page 1428 / 1660
» Query-Free Information Retrieval
Sort
View
CONTEXT
2007
Springer
15 years 11 months ago
Discovering Hidden Contextual Factors for Implicit Feedback
Abstract. This paper presents a statistical framework based on Principal Component Analysis (PCA) for discovering the contextual factors which most strongly influence user behavio...
Massimo Melucci, Ryen W. White
146
Voted
ER
2007
Springer
97views Database» more  ER 2007»
15 years 11 months ago
Towards Active Conceptual Modelling for Sudden Events
There are a number of issues for information systems which are required to collect data urgently that are not well accommodated by current conceptual modelling methodologies and a...
John F. Roddick, Aaron Ceglar, Denise de Vries
SIGIR
2006
ACM
15 years 10 months ago
Thread detection in dynamic text message streams
Text message stream is a newly emerging type of Web data which is produced in enormous quantities with the popularity of Instant Messaging and Internet Relay Chat. It is benefici...
Dou Shen, Qiang Yang, Jian-Tao Sun, Zheng Chen
JCDL
2005
ACM
161views Education» more  JCDL 2005»
15 years 10 months ago
Downloading textual hidden web content through keyword queries
An ever-increasing amount of information on the Web today is available only through search interfaces: the users have to type in a set of keywords in a search form in order to acc...
Alexandros Ntoulas, Petros Zerfos, Junghoo Cho
MM
2005
ACM
140views Multimedia» more  MM 2005»
15 years 10 months ago
Topic transition detection using hierarchical hidden Markov and semi-Markov models
In this paper we introduce a probabilistic framework to exploit hierarchy, structure sharing and duration information for topic transition detection in videos. Our probabilistic d...
Dinh Q. Phung, Thi V. Duong, Svetha Venkatesh, Hun...
« Prev « First page 1428 / 1660 Last » Next »