Sciweavers

11718 search results - page 455 / 2344
» Testing database applications
Sort
View
CSCW
1996
ACM
15 years 11 months ago
Talking to Strangers: An Evaluation of the Factors Affecting Electronic Collaboration
This empirical study examines factors influencing the success of a commercial groupware system in creating group archives and supporting asynchronous communication. The study inve...
Steve Whittaker
APCCM
2008
15 years 9 months ago
Constraint Acquisition - You Can Chase but You Cannot Find
We identify established tableaux techniques as an invaluable tool for semantic knowledge acquisition in the design process of relational databases. Sample databases allow users an...
Sven Hartmann, Sebastian Link, Thu Trinh
GIS
2004
ACM
16 years 8 months ago
Capturing complex multidimensional data in location-based data warehouses
Motivated by the increasing need to handle complex multidimensional data in location-based data warehouses, this paper proposes a powerful data model that is able to capture the c...
Igor Timko, Torben Bach Pedersen
DEXA
2009
Springer
177views Database» more  DEXA 2009»
16 years 2 months ago
Querying XML Data with SPARQL
SPARQL is today the standard access language for Semantic Web data. In the recent years XML databases have also acquired industrial importance due to the widespread applicability o...
Nikos Bikakis, Nektarios Gioldasis, Chrisa Tsinara...
VLDB
1995
ACM
135views Database» more  VLDB 1995»
15 years 11 months ago
Sampling-Based Estimation of the Number of Distinct Values of an Attribute
We provide several new sampling-based estimators of the number of distinct values of an attribute in a relation. We compare these new estimators to estimators from the database an...
Peter J. Haas, Jeffrey F. Naughton, S. Seshadri, L...