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CLEF
2008
Springer
13 years 5 months ago
Experiments with Geographic Evidence Extracted from Documents
Abstract. For the 2008 participation at GeoCLEF, we focused on improving the extraction of geographic signatures from documents and optimising their use for GIR. The results show t...
Nuno Cardoso, Patrícia Sousa, Mário ...
CLEF
2008
Springer
13 years 5 months ago
A Comparative Study of Diversity Methods for Hybrid Text and Image Retrieval Approaches
This article compares eight different diversity methods: 3 based on visual information, 1 based on date information, 3 adapted to each topic based on location and visual informatio...
Sabrina Tollari, Philippe Mulhem, Marin Ferecatu, ...
CLEF
2008
Springer
13 years 5 months ago
Cheshire at GeoCLEF 2008: Text and Fusion Approaches for GIR
In this paper we will briefly describe the approaches taken by Berkeley for the main GeoCLEF 2008 tasks (Mono and Bilingual retrieval). The approach this year used probabilistic t...
Ray R. Larson
CLEF
2008
Springer
13 years 5 months ago
Overview of VideoCLEF 2008: Automatic Generation of Topic-Based Feeds for Dual Language Audio-Visual Content
The VideoCLEF track, introduced in 2008, aims to develop and evaluate tasks related to analysis of and access to multilingual multimedia content. In its first year, VideoCLEF pilo...
Martha Larson, Eamonn Newman, Gareth J. F. Jones
CLEF
2008
Springer
13 years 5 months ago
GeoCLEF 2008: The CLEF 2008 Cross-Language Geographic Information Retrieval Track Overview
GeoCLEF is an evaluation initiative for testing queries with a geographic specification in large set of text documents. GeoCLEF ran a regular track for the third time within the C...
Thomas Mandl, Paula Carvalho, Giorgio Maria Di Nun...
CLEF
2008
Springer
13 years 5 months ago
Information Synthesis for Answer Validation
This report is about our participation in the Answer Validation Exercise (AVE2008). Our system casts the AVE task into a Recognizing Textual Entailment (RTE) problem and uses an ex...
Rui Wang 0005, Günter Neumann
CLEF
2008
Springer
13 years 5 months ago
Using Visual Concepts and Fast Visual Diversity to Improve Image Retrieval
In this article, we focus our efforts (i) on the study of how to automatically extract and exploit visual concepts and (ii) on fast visual diversity. First, in the Visual Concept D...
Sabrina Tollari, Marcin Detyniecki, Ali Fakeri-Tab...
CLEF
2008
Springer
13 years 5 months ago
Fusion of Retrieval Models at CLEF 2008 Ad Hoc Persian Track
Metasearch engines submit the user query to several underlying search engines and then merge their retrieved results to generate a single list that is more effective to the users&...
Zahra Aghazade, Nazanin Dehghani, Leili Farzinvash...
CLEF
2008
Springer
13 years 5 months ago
Ontology-Based Query Construction for GeoCLEF
This paper describes our participation in GeoCLEF. Being different from the traditional information retrieval, we focus more on the query expansion instead of document ranking. We ...
Rui Wang 0005, Günter Neumann
CLEF
2008
Springer
13 years 5 months ago
Priberam's Question Answering System in QA@CLEF 2008
Carlos Amaral, Adán Cassan, Helena Figueira...