Sciweavers

732 search results - page 55 / 147
» Querying Multimedia Data Sources and Databases
Sort
View
ICMCS
2010
IEEE
146views Multimedia» more  ICMCS 2010»
13 years 12 months ago
Privacy-preserving approximation of L1 distance for multimedia applications
Alice and Bob possess sequences x and y respectively and would like to compute the 1 distance, namely x - y 1 under privacy and communication constraints. The privacy constraint r...
Shantanu Rane, Wei Sun, Anthony Vetro
FQAS
2009
Springer
196views Database» more  FQAS 2009»
14 years 3 months ago
Flexible SPARQL Querying of Web Data Tables Driven by an Ontology
This paper concerns the design of a workflow which permits to feed and query a data warehouse opened on the Web, driven by a domain ontology. This data warehouse has been built to...
Patrice Buche, Juliette Dibie-Barthélemy, H...
ICDT
2010
ACM
133views Database» more  ICDT 2010»
14 years 3 months ago
On the Tradeoff between Mapping and Querying Power in XML Data Exchange
In XML data exchange, a schema mapping specifies rules for restructuring a source document under the target schema, and queries over the target document must be answered in a way...
Shunichi Amano, Claire David, Leonid Libkin, Filip...
ER
1998
Springer
145views Database» more  ER 1998»
14 years 3 months ago
Design and Analysis of Quality Information for Data Warehouses
Data warehouses are complex systems that have to deliver highly-aggregated, high quality data from heterogeneous sources to decision makers. Due to the dynamic change in the requir...
Manfred A. Jeusfeld, Christoph Quix, Matthias Jark...
VLDB
1998
ACM
149views Database» more  VLDB 1998»
14 years 3 months ago
Incremental Maintenance for Materialized Views over Semistructured Data
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...
Serge Abiteboul, Jason McHugh, Michael Rys, Vasili...