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ERCIMDL
2007
Springer
87views Education» more  ERCIMDL 2007»
15 years 10 months ago
Thesaurus-Based Feedback to Support Mixed Search and Browsing Environments
We propose and evaluate a query expansion mechanism that supports searching and browsing in collections of annotated documents. Based on generative language models, our feedback me...
Edgar Meij, Maarten de Rijke
ISAAC
2005
Springer
138views Algorithms» more  ISAAC 2005»
15 years 10 months ago
On the Complexity of Rocchio's Similarity-Based Relevance Feedback Algorithm
In this paper, we prove for the first time that the learning complexity of Rocchio’s algorithm is O(d+d2 (log d+log n)) over the discretized vector space {0, . . . , n − 1}d ,...
Zhixiang Chen, Bin Fu
WEBDB
2005
Springer
83views Database» more  WEBDB 2005»
15 years 10 months ago
Indexing for XML Siblings
Efficient querying XML documents is an increasingly important issue considering the fact that XML becomes the de facto standard for data representation and exchange over the Web,...
SungRan Cho
SIGIR
2004
ACM
15 years 9 months ago
Dependence language model for information retrieval
This paper presents a new dependence language modeling approach to information retrieval. The approach extends the basic language modeling approach based on unigram by relaxing th...
Jianfeng Gao, Jian-Yun Nie, Guangyuan Wu, Guihong ...
SIGIR
1998
ACM
15 years 8 months ago
Cross-Language Information Retrieval with the UMLS Metathesaurus
We investigate an automatic method for Cross Language Information Retrieval (CLIR) that utilizes the multilingual UMLS Metathesaurus to translate Spanish and French natural languag...
David Eichmann, Miguel E. Ruiz, Padmini Srinivasan