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CLEF
2007
Springer
14 years 1 months ago
Using Geographic Signatures as Query and Document Scopes in Geographic IR
This paper reports the participation of the University of Lisbon at the 2007 GeoCLEF task. We adopted a novel approach for GIR, focused on handling geographic features and feature ...
Nuno Cardoso, David Cruz, Marcirio Silveira Chaves...
DATESO
2004
84views Database» more  DATESO 2004»
13 years 9 months ago
Query Expansion and Evolution of Topic in Information Retrieval Systems
Approach based on clustering will be described in our paper. Basic version of our system was given in [5] allows us to expand query through special index. Hierarchical agglomerativ...
Jiri Dvorský, Jan Martinovic, Václav...
VLDB
2007
ACM
99views Database» more  VLDB 2007»
14 years 8 months ago
Zoom*UserViews: Querying Relevant Provenance in Workflow Systems
In this demonstration, we present the ZOOM*UserView system, and focus on the module which generates a "user view" based on what tasks the user perceives to be relevant i...
Olivier Biton, Sarah Cohen Boulakia, Susan B. Davi...
DEXA
2003
Springer
146views Database» more  DEXA 2003»
14 years 1 months ago
An Access Time Cost Model for Spatial Range Queries on Broadcast Geographical Data over Air
Wireless data broadcasting is well known for its excellent scalability. Most geographical data, such as weather and traffic, is public information and has a large number of potenti...
Jianting Zhang, Le Gruenwald
IMECS
2007
13 years 9 months ago
Predicting Interval Probability in Data Querying
—This paper discusses fuzzification of crisp domains into fuzzy classes providing fuzzy domains. Relationship between two fuzzy domains, Xi and Xj , is represented by a matrix, ...
Rolly Intan