951 search results - page 111 / 191 » Groupwise Processing of Relational Queries |
PVLDB
2010
14 years 4 months ago
2010
Database evolution is the process of updating the schema of a database or data warehouse (schema evolution) and evolving the data to the updated schema (data evolution). Database ...
WWW
2007
ACM
15 years 10 months ago
2007
ACM
In this paper, we describe an application, PubCloud that uses tag clouds for the summarization of results from queries over the PubMed database of biomedical literature. PubCloud ...
91
Voted
SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
SPIRE
2005
Springer
15 years 3 months ago
2005
Springer
This paper proposes a model for Information Retrieval (IR) based on possibilistic directed networks. Relations documents-terms and query-terms are modeled through possibility and n...
158
click to vote
VLDB
2007
ACM
15 years 10 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...