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GIR
2007
ACM
14 years 2 months ago
Visualization of geographic query results for small screen devices
The visualization of geo-referenced information on a map has become an essential method to help the users to get the intended information. The adaptation of visualization techniqu...
Maria Beatriz Carmo, Ana Paula Afonso, Paulo Pombi...
MIR
2003
ACM
174views Multimedia» more  MIR 2003»
14 years 4 months ago
Content-based image retrieval by clustering
In a typical content-based image retrieval (CBIR) system, query results are a set of images sorted by feature similarities with respect to the query. However, images with high fea...
Yixin Chen, James Ze Wang, Robert Krovetz
AMW
2011
13 years 2 months ago
Subqueries in SPARQL
Subqueries are a poweful feature which allows to enforce reuse, composition, rewriting and optimization in a query language. In this paper we perform a comprehensive study of the i...
Renzo Angles, Claudio Gutierrez
TSC
2010
182views more  TSC 2010»
13 years 5 months ago
A Query Rewriting Approach for Web Service Composition
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
Mahmoud Barhamgi, Djamal Benslimane, Brahim Medjah...
ICALT
2006
IEEE
14 years 5 months ago
LIMBS: Open Source, Open Standards, and Open Content To Foster Learning Resource Exchanges
LIMBS is an open source brokerage system developed in the framework of the CALIBRATE project. LIMBS relies on open standards and open contents to promote exchanges of learning res...
Jean-Noel Colin, David Massart