144 search results - page 14 / 29 » Towards an Algebraic Framework for Querying Inductive Databa... |
ICDE
1997
IEEE
14 years 8 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
CORR
2011
Springer
12 years 11 months ago
2011
Springer
The annotation of the results of database transformations was shown to be very effective for various applications. Until recently, most works in this context focused on positive q...
WISE
2002
Springer
14 years 12 days ago
2002
Springer
How to extract data from XML documents is an important issue for XML research and development. However, how to view XML documents determines how they can be queried. In this paper...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...