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CIKM
2004
Springer
15 years 11 months ago
A practical web-based approach to generating topic hierarchy for text segments
It is crucial in many information systems to organize short text segments, such as keywords in documents and queries from users, into a well-formed topic hierarchy. In this paper,...
Shui-Lung Chuang, Lee-Feng Chien
DASFAA
2006
IEEE
153views Database» more  DASFAA 2006»
15 years 10 months ago
Dissemination of Dynamic Data: Semantics, Algorithms, and Performance
Abstract The Internet and the Web are increasingly used to disseminate fast changing data such as sensor data, traffic and weather information, stock prices, sports scores, and eve...
Krithi Ramamritham
CIKM
2009
Springer
16 years 23 days ago
StereoTrust: a group based personalized trust model
Trust plays important roles in diverse decentralized environments, including our society at large. Computational trust models help to, for instance, guide users’ judgements in o...
Xin Liu, Anwitaman Datta, Krzysztof Rzadca, Ee-Pen...
WWW
2008
ACM
16 years 6 months ago
Setting Access Permission through Transitive Relationship in Web-based Social Networks
The rising popularity of Web 2.0, such as blogs, forums, online calendars/diaries, etc., makes users more interested in keeping their data on the Web. Sharing of such data could m...
Dan Hong, Vincent Y. Shen
KDD
2007
ACM
169views Data Mining» more  KDD 2007»
16 years 6 months ago
Exploiting underrepresented query aspects for automatic query expansion
Users attempt to express their search goals through web search queries. When a search goal has multiple components or aspects, documents that represent all the aspects are likely ...
Daniel Crabtree, Peter Andreae, Xiaoying Gao