613 search results - page 61 / 123 » Query Evaluation on a Database Given by a Random Graph |
133
Voted
EMNLP
2010
15 years 1 months ago
2010
Existing graph-based ranking methods for keyphrase extraction compute a single importance score for each word via a single random walk. Motivated by the fact that both documents a...
214
Voted
ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
One of the simplest ways to query a database is through a form, where a user can fill in relevant information and obtain desired results by submitting the form. Designing good sta...
136
Voted
WEA
2007
Springer
15 years 9 months ago
2007
Springer
Many speed-up techniques for route planning in static graphs exist, only few of them are proven to work in a dynamic scenario. Most of them use preprocessed information, which has ...
113
Voted
ERSHOV
2006
Springer
15 years 7 months ago
2006
Springer
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...
131
Voted
SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...