6654 search results - page 197 / 1331 » Querying Faceted Databases |
127
Voted
VLDB
1989
ACM
15 years 7 months ago
1989
ACM
: We describe the architecture of a relational databasesystem that is extensible by user-defined data types and operations, including relation operations. The central concept is to...
151
Voted
SDMW
2009
Springer
15 years 10 months ago
2009
Springer
In this paper we investigate the feasibility and efficiency of mapping XML data and access control policies onto relational and native XML databases for storage and querying. We de...
121
Voted
EUSFLAT
2001
15 years 5 months ago
2001
Flexible querying aims at expressing preferences inside queries instead of strict requirements. We consider ordinary relational databases and flexible querying calling on fuzzy se...
192
Voted
SIGMOD
2005
ACM
16 years 3 months ago
2005
ACM
Nested Intervals generalize Nested Sets. They are immune to hierarchy reorganization problem. They allow answering ancestor path hierarchical queries algorithmically - without acc...
110
Voted
SIGMOD
2001
ACM
16 years 3 months ago
2001
ACM
We introduce a rich language of descriptions for semistructured tree-like data, and we explain how such descriptions relate to the data they describe. Various query languages and ...