443 search results - page 53 / 89 » System P: Completeness-driven Query Answering in Peer Data M... |
CIKM
2011
Springer
12 years 8 months ago
2011
Springer
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
TC
2010
13 years 7 months ago
2010
—Previous multikeyword search in DHT-based P2P systems often relies on multiple single keyword search operations, suffering from unacceptable traffic cost and poor accuracy. Prec...
IPAW
2010
13 years 6 months ago
2010
Data provenance graphs are form of metadata that can be used to establish a variety of properties of data products that undergo sequences of transformations, typically specified as...
PODS
2009
ACM
14 years 9 months ago
2009
ACM
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...