878 search results - page 81 / 176 » Updatable XML Views |
153
Voted
SIGMOD
2001
ACM
16 years 3 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
128
Voted
APWEB
2004
Springer
15 years 8 months ago
2004
Springer
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...
148
Voted
DIWEB
2004
15 years 4 months ago
2004
In this paper, we propose a methodology developed in the framework of the VISPO project for engineering a three-layer ontology, based on the conceptualization, integration, synthes...
133
Voted
ADC
2001
Springer
15 years 8 months ago
2001
Springer
Transaction time is the time of a database transaction, i.e., an insertion, update, or deletion. A transactiontime database stores the transaction-time history of a database and s...
118
Voted
WEBDB
2004
Springer
15 years 8 months ago
2004
Springer
We consider the scenario where existing relational data is exported as XML. In this context, we look at the problem of translating XML queries into SQL. XML query languages have t...