Sciweavers

7607 search results - page 158 / 1522
» Querying data provenance
Sort
View
WIDM
2004
ACM
15 years 12 months ago
Querying structured data in an unstructured P2P system
Abstract— Peer-to-Peer networking has become a major research topic over the last few years. Sharing of structured data in such decentralized environments is a challenging proble...
Verena Kantere, Dimitrios Tsoumakos, Nick Roussopo...
SBBD
2004
133views Database» more  SBBD 2004»
15 years 7 months ago
Query Processing in ROSA Data Model
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
Fábio Coutinho, Fabio Porto
ADBIS
2010
Springer
192views Database» more  ADBIS 2010»
15 years 8 months ago
The Objects Interaction Graticule for Cardinal Direction Querying in Moving Objects Data Warehouses
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...
Ganesh Viswanathan, Markus Schneider
VLDB
2001
ACM
148views Database» more  VLDB 2001»
15 years 11 months ago
Indexing and Querying XML Data for Regular Path Expressions
With the advent of XML as a standard for data representation and exchange on the Internet, storing and querying XML data becomes more and more important. Several XML query languag...
Quanzhong Li, Bongki Moon
ISAAC
2007
Springer
118views Algorithms» more  ISAAC 2007»
16 years 19 days ago
Dynamic Structures for Top- k Queries on Uncertain Data
In an uncertain data set S = (S, p, f) where S is the ground set consisting of n elements, p : S → [0, 1] a probability function, and f : S → R a score function, each element i...
Jiang Chen, Ke Yi