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» Querying with Intrinsic Preferences
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SIGIR
2003
ACM
14 years 3 months ago
Beyond independent relevance: methods and evaluation metrics for subtopic retrieval
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
ChengXiang Zhai, William W. Cohen, John D. Laffert...
CAEPIA
2003
Springer
14 years 3 months ago
A Model for Fuzzy Temporal Reasoning on a Database
In decision support systems for Intensive Care Units (ICU), the data management subsystem plays an essential role since the data have a heterogeneous origin. The temporal dimension...
Manuel Campos, José Palma, Roque Marí...
KDD
2006
ACM
143views Data Mining» more  KDD 2006»
14 years 10 months ago
Mining long-term search history to improve search accuracy
Long-term search history contains rich information about a user's search preferences. In this paper, we study statistical language modeling based methods to mine contextual i...
Bin Tan, Xuehua Shen, ChengXiang Zhai
SAC
2010
ACM
14 years 4 months ago
Applying taxonomic knowledge to Bayesian belief network for personalized search
Keyword-based search returns its results without concern for the information needs of users at a particular time. In general, search queries are too short to represent what users ...
Jae-won Lee, Han-joon Kim, Sang-goo Lee
IDEAS
2007
IEEE
144views Database» more  IDEAS 2007»
14 years 4 months ago
An Extensible and Personalized Approach to QoS-enabled Service Discovery
We present an extensible and customizable framework for the autonomous discovery of Semantic Web services based on their QoS properties. Using semantic technologies, users can spe...
Le-Hung Vu, Fabio Porto, Karl Aberer, Manfred Haus...