Sciweavers

224 search results - page 40 / 45
» Rewriting XPath Queries Using Materialized Views
Sort
View
VLDB
2001
ACM
94views Database» more  VLDB 2001»
14 years 1 days ago
FeedbackBypass: A New Approach to Interactive Similarity Query Processing
In recent years, several methods have been proposed for implementing interactive similarity queries on multimedia databases. Common to all these methods is the idea to exploit use...
Ilaria Bartolini, Paolo Ciaccia, Florian Waas
ICDE
1996
IEEE
103views Database» more  ICDE 1996»
14 years 9 months ago
Using Partial Differencing for Efficient Monitoring of Deferred Complex Rule Conditions
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...
Martin Sköld, Tore Risch
CIDR
2011
266views Algorithms» more  CIDR 2011»
12 years 11 months ago
Consistency in a Stream Warehouse
A stream warehouse is a Data Stream Management System (DSMS) that stores a very long history, e.g. years or decades; or equivalently a data warehouse that is continuously loaded. ...
Lukasz Golab, Theodore Johnson
VLDB
1999
ACM
174views Database» more  VLDB 1999»
13 years 12 months ago
Extending Practical Pre-Aggregation in On-Line Analytical Processing
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
Torben Bach Pedersen, Christian S. Jensen, Curtis ...
OTM
2009
Springer
14 years 2 months ago
Ontology-Driven Provenance Management in eScience: An Application in Parasite Research
Provenance, from the French word “provenir”, describes the lineage or history of a data entity. Provenance is critical information in scientific applications to verify experime...
Satya Sanket Sahoo, D. Brent Weatherly, Raghava Mu...