Novelty and redundancy detection in adaptive filtering

Y Zhang, J Callan, T Minka - … of the 25th annual international ACM SIGIR …, 2002 - dl.acm.org
This paper addresses the problem of extending an adaptive information filtering system to
make decisions about the novelty and redundancy of relevant documents. It argues that …

[PDF][PDF] Parameter free bursty events detection in text streams

GPC Fung, JX Yu, PS Yu, H Lu - … of the 31st international conference on …, 2005 - vldb.org
Text classification is a major data mining task. An advanced text classification technique is
known as partially supervised text classification, which can build a text classifier using a …

Cluster-based retrieval using language models

X Liu, WB Croft - Proceedings of the 27th annual international ACM …, 2004 - dl.acm.org
Previous research on cluster-based retrieval has been inconclusive as to whether it does
bring improved retrieval effectiveness over document-based retrieval. Recent developments …

Retrieval and novelty detection at the sentence level

J Allan, C Wade, A Bolivar - … of the 26th annual international ACM SIGIR …, 2003 - dl.acm.org
Previous research in novelty detection has focused on the task of finding novel material,
given a set or stream of documents on a certain topic. This study investigates the more …

Automatic online news issue construction in web environment

C Wang, M Zhang, S Ma, L Ru - … of the 17th international conference on …, 2008 - dl.acm.org
In many cases, rather than a keyword search, people intend to see what is going on through
the Internet. Then the integrated comprehensive information on news topics is necessary …

Automatic online news topic ranking using media focus and user attention based on aging theory

C Wang, M Zhang, L Ru, S Ma - … of the 17th ACM conference on …, 2008 - dl.acm.org
News topics, which are constructed from news stories using the techniques of Topic
Detection and Tracking (TDT), bring convenience to users who intend to see what is going …

Time-dependent event hierarchy construction

GPC Fung, JX Yu, H Liu, PS Yu - Proceedings of the 13th ACM SIGKDD …, 2007 - dl.acm.org
In this paper, an algorithm called Time Driven Documents-partition (TDD) is proposed to
construct an event hierarchy in a text corpus based on a given query. Specifically, assume …

User language model for collaborative personalized search

GR Xue, J Han, Y Yu, Q Yang - ACM Transactions on Information …, 2009 - dl.acm.org
Traditional personalized search approaches rely solely on individual profiles to construct a
user model. They are often confronted by two major problems: data sparseness and cold …

[PDF][PDF] Using language models for text classification

J Bai, JY Nie, F Paradis - Proceedings of the Asia Information Retrieval …, 2004 - Citeseer
This paper describes an approach to text classification using language models. This
approach is a natural extension of the traditional Naïve Bayes classifier, in which we replace …

An automatic online news topic keyphrase extraction system

C Wang, M Zhang, L Ru, S Ma - 2008 IEEE/WIC/ACM …, 2008 - ieeexplore.ieee.org
News Topics are related to a set of keywords or keyphrases. Topic keyphrases briefly
describe the key content of topics and help users decide whether to do further reading about …