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» Effective and efficient structured retrieval
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SEBD
2000
112views Database» more  SEBD 2000»
13 years 8 months ago
Correct and efficient evaluation of region-based image search
Abstract. Content-based image retrieval systems allow the user to interactively search image databases looking for those images which are similar to a specified query image. To thi...
Ilaria Bartolini, Marco Patella
CHI
2000
ACM
13 years 12 months ago
Measuring usability: are effectiveness, efficiency, and satisfaction really correlated?
Usability comprises the aspects effectiveness, efficiency, and satisfaction. The correlations between these aspects are not well understood for complex tasks. We present data from...
Erik Frøkjær, Morten Hertzum, Kasper ...
ICDE
2009
IEEE
156views Database» more  ICDE 2009»
14 years 9 months ago
Distributed Structural Relaxation of XPath Queries
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
Georgia Koloniari, Evaggelia Pitoura
HT
1991
ACM
13 years 11 months ago
Implementing Hypertext Database Relationships through Aggregations and Exceptions
In order to combine hypertext with database facilities, we show how to extract an effective storage structure from given instance relationships. The schema of the structure recogn...
Yoshinori Hara, Arthur M. Keller, Gio Wiederhold
FQAS
2006
Springer
99views Database» more  FQAS 2006»
13 years 11 months ago
Using Structural Relationships for Focused XML Retrieval
In focused XML retrieval, information retrieval systems have to find out which are the most appropriate retrieval units and return only these to the user, avoiding overlapping elem...
Georgina Ramírez, Thijs Westerveld, Arjen P...