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ECIR
2009
Springer
14 years 2 months ago
Word Particles Applied to Information Retrieval
Document retrieval systems conventionally use words as the basic unit of representation, a natural choice since words are primary carriers of semantic information. In this paper w...
Evandro B. Gouvêa, Bhiksha Raj
ECIR
2009
Springer
14 years 2 months ago
Current Developments in Information Retrieval Evaluation
: In the last decade, many evaluation results have been created within the evaluation initiatives like TREC, NTCIR and CLEF. The large amount of data available has led to substanti...
Thomas Mandl
ECIR
2009
Springer
14 years 2 months ago
Mean-Variance Analysis: A New Document Ranking Theory in Information Retrieval
Abstract. This paper concerns document ranking in information retrieval. In information retrieval systems, the widely accepted probability ranking principle (PRP) suggests that, fo...
Jun Wang
ECIR
2009
Springer
14 years 2 months ago
Correlation of Term Count and Document Frequency for Google N-Grams
For bounded datasets such as the TREC Web Track (WT10g) the computation of term frequency (TF) and inverse document frequency (IDF) is not difficult. However, when the corpus is th...
Martin Klein, Michael L. Nelson
ECIR
2009
Springer
13 years 3 months ago
Refining Keyword Queries for XML Retrieval by Combining Content and Structure
Abstract. The structural heterogeneity and complexity of XML repositories makes query formulation challenging for users who have little knowledge of XML. To assist its users, an XM...
Desislava Petkova, W. Bruce Croft, Yanlei Diao