177 search results - page 10 / 36 » A quantum logic-based query processing approach for extendin... |
VLDB
1987
ACM
14 years 3 days ago
1987
ACM
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...
SBBD
2007
13 years 10 months ago
2007
Integrating geographical and multidimensional processing has been proposed in several researches in the database literature. One of the most important issues of this process is dat...
ICDE
2009
IEEE
13 years 6 months ago
2009
IEEE
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
PKDD
2009
Springer
14 years 3 months ago
2009
Springer
A core problem in data mining is to retrieve data in a easy and human friendly way. Automatically translating natural language questions into SQL queries would allow for the design...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...