1059 search results - page 195 / 212 » Improving Semantic Query Answering |
APCCM
2009
13 years 8 months ago
2009
Using traditional semantic data modeling, multi-level modeling can be achieved by representing objects in different abstraction hierarchies, namely classification, aggregation and...
DBSEC
2009
13 years 8 months ago
2009
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege in an access control ...
MM
2010
ACM
13 years 8 months ago
2010
ACM
In Web 2.0, users have generated and shared massive amounts of resources in various media formats, such as news, blogs, audios, photos and videos. The abundance and diversity of t...
ICDE
1993
IEEE
13 years 12 months ago
1993
IEEE
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
Traditional information retrieval techniques based on keyword search help to identify a ranked set of relevant documents, which often contains many documents in the top ranks that...