813 search results - page 2 / 163 » Languages for Relational Databases over Interpreted Structur... |
SIGIR
2010
ACM
13 years 3 months ago
2010
ACM
Keyword queries over structured databases are notoriously ambiguous. No single interpretation of a keyword query can satisfy all users, and multiple interpretations may yield over...
PODS
2010
ACM
13 years 5 months ago
2010
ACM
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
ASPLOS
1996
ACM
13 years 9 months ago
1996
ACM
Interpreted languages have become increasingly popular due to demands for rapid program development, ease of use, portability, and safety. Beyond the general impression that they ...
IS
2008
13 years 5 months ago
2008
In this paper we propose DFL -- a formal, graphical workflow language for dataflows, i.e., workflows where large amounts of complex data are manipulated, and the structure of the ...
ICDE
2002
IEEE
14 years 6 months ago
2002
IEEE
Internet search engines have popularized the keywordbased search paradigm. While traditional database management systems offer powerful query languages, they do not allow keyword-...