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ECIR
2009
Springer
14 years 23 days ago
Integrating Proximity to Subjective Sentences for Blog Opinion Retrieval
Opinion finding is a challenging retrieval task, where it has been shown that it is especially difficult to improve over a strongly performing topic-relevance baseline. In this pa...
Rodrygo L. T. Santos, Ben He, Craig Macdonald, Iad...
ECIR
2009
Springer
14 years 23 days ago
Revisiting N-Gram Based Models for Retrieval in Degraded Large Collections
The traditional retrieval models based on term matching are not effective in collections of degraded documents (output of OCR or ASR systems for instance). This paper presents a n...
Javier Parapar, Ana Freire, Alvaro Barreiro
ECIR
2009
Springer
14 years 23 days 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 23 days ago
Evaluation of Text Clustering Algorithms with N-Gram-Based Document Fingerprints
This paper presents a new approach designed to reduce the computational load of the existing clustering algorithms by trimming down the documents size using fingerprinting methods...
Javier Parapar, Alvaro Barreiro
ECIR
2009
Springer
14 years 23 days ago
Enhancing Expert Finding Using Organizational Hierarchies
The task in expert finding is to identify members of an organization with relevant expertise on a given topic. In existing expert finding systems, profiles are constructed from sou...
Maryam Karimzadehgan, Ryen W. White, Matthew Richa...
ECIR
2009
Springer
14 years 23 days ago
Using Multiple Query Aspects to Build Test Collections without Human Relevance Judgments
Abstract. Collecting relevance judgments (qrels) is an especially challenging part of building an information retrieval test collection. This paper presents a novel method for crea...
Miles Efron