756 search results - page 15 / 152 » SQL: From Traditional Databases to Big Data |
VLDB
2008
ACM
14 years 9 months ago
2008
ACM
This paper presents a probabilistic relational modelling (implementation) of the major probabilistic retrieval models. Such a high-level implementation is useful since it supports ...
SSDBM
2007
IEEE
14 years 3 months ago
2007
IEEE
As relational database management systems are applied to non-traditional domains such as scientific data management, there is an increasing need to support queries with semantics ...
DAWAK
2003
Springer
14 years 2 months ago
2003
Springer
Abstract. Many SQL queries with aggregated subqueries exhibit redundancy (overlap in FROM and WHERE clauses). We propose a method, called the for-loop, to optimize such queries by ...
WWW
2004
ACM
14 years 9 months ago
2004
ACM
This paper presents a system for efficient data transformations between XML and relational databases, called XML Data Mediator (XDM). XDM enables the transformation by externalizi...
ADBIS
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. Being able to activate triggers at timepoints reached or after time intervals elapsed has been acknowledged by many authors as a valuable functionality of a DBMS. Recentl...