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CIKM
2010
Springer
15 years 4 months ago
TAER: time-aware entity retrieval-exploiting the past to find relevant entities in news articles
Retrieving entities instead of just documents has become an important task for search engines. In this paper we study entity retrieval for news applications, and in particular the...
Gianluca Demartini, Malik Muhammad Saad Missen, Ro...
WSDM
2010
ACM
197views Data Mining» more  WSDM 2010»
16 years 4 months ago
Adapting Information Bottleneck Method for Automatic Construction of Domain-oriented Sentiment Lexicon
Domain-oriented sentiment lexicons are widely used for finegrained sentiment analysis on reviews; therefore, the automatic construction of domain-oriented sentiment lexicon is a f...
Songbo Tan, Weifu Du, Xiaochun Yun, Xueqi Cheng
ECIR
2009
Springer
16 years 4 months ago
Using Contextual Information to Improve Search in Email Archives
In this paper we address the task of finding topically relevant email messages in public discussion lists. We make two important observations. First, email messages are not isolat...
Wouter Weerkamp, Krisztian Balog, Maarten de Rijke
WWW
2008
ACM
16 years 7 months ago
Recrawl scheduling based on information longevity
It is crucial for a web crawler to distinguish between ephemeral and persistent content. Ephemeral content (e.g., quote of the day) is usually not worth crawling, because by the t...
Christopher Olston, Sandeep Pandey
ICTIR
2009
Springer
16 years 1 months ago
Modeling Expected Utility of Multi-session Information Distillation
Abstract. An open challenge in information distillation is the evaluation and optimization of the utility of ranked lists with respect to flexible user interactions over multiple ...
Yiming Yang, Abhimanyu Lad