3652 search results - page 663 / 731 » A study of query length |
COSIT
1997
Springer
15 years 4 months ago
1997
Springer
Current geographic information systems (GISs) have been designed for querying and maintaining static databases representing static phenomena and give little support to those users ...
VLDB
1997
ACM
15 years 4 months ago
1997
ACM
Data warehouses and recording systems typically have a large continuous stream of incoming data, that must be stored in a manner suitable for future access. Access to stored recor...
BIRTHDAY
1992
Springer
15 years 4 months ago
1992
Springer
A context-free grammar is a single-tree grammar (STG) if every nonterminal symbol has at most one production rule whose right hand side contains nonterminal symbols. Various prope...
VLDB
1993
ACM
15 years 4 months ago
1993
ACM
Paralleldatabasesystemshaveto supportboth inter-transaction as well as intra-transaction parallelism. Inter-uansaction parahelism (multi-user mode) is required to achieve high thr...
ICDT
1990
ACM
15 years 3 months ago
1990
ACM
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...