51 search results - page 3 / 11 » Extension of CQL over Dynamic Databases |
DASFAA
1991
IEEE
13 years 11 months ago
1991
IEEE
: We present a new dynamic hashedfile organization that solvesmostproblems associatedwith the directory of the grid file proposed by Nievergelt et al. Our schemeis a multilevel ext...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
HPTS
1993
13 years 11 months ago
1993
System developments and research on parallel query processing have concentrated either on "Shared Everything" or "Shared Nothing" architectures so far. While t...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Most information extraction (IE) approaches have considered only static text corpora, over which we apply IE only once. Many real-world text corpora however are dynamic. They evol...