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AUIC
2006
IEEE
16 years 12 days ago
Usability evaluation of library online catalogues
We performed a usability evaluation of four New Zealand university online library catalogues. The evaluation found severe usability problems with online catalogues—we found so m...
Hayley White, Tim Wright, Brenda Chawner
DBKDA
2010
IEEE
169views Database» more  DBKDA 2010»
15 years 11 months ago
XLeaf: Twig Evaluation with Skipping Loop Joins and Virtual Nodes
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
Nils Grimsmo, Truls Amundsen Bjørklund, &Os...
DL
1997
Springer
117views Digital Library» more  DL 1997»
15 years 10 months ago
Evaluating the Cost of Boolean Query Mapping
Non-uniform query languages make searching over heterogeneous information sources difficult. Our approach is to allow a user to compose Boolean queries in one rich front-end lang...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
ECIR
2010
Springer
15 years 7 months ago
Query Performance Prediction: Evaluation Contrasted with Effectiveness
Query performance predictors are commonly evaluated by reporting correlation coefficients to denote how well the methods perform at predicting the retrieval performance of a set of...
Claudia Hauff, Leif Azzopardi, Djoerd Hiemstra, Fr...
IS
2011
15 years 1 months ago
Similarity of business process models: Metrics and evaluation
—It is common for large and complex organizations to maintain repositories of business process models in order to document and to continuously improve their operations. Given suc...
Remco M. Dijkman, Marlon Dumas, Boudewijn F. van D...