Sciweavers

2145 search results - page 10 / 429
» Answering Queries Using Views
Sort
View
AMW
2009
13 years 8 months ago
Consistent Query Answering in Data Warehouses
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
Leopoldo E. Bertossi, Loreto Bravo, Mónica ...
PODS
2003
ACM
113views Database» more  PODS 2003»
14 years 7 months ago
Materializing views with minimal size to answer queries
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
Rada Chirkova, Chen Li
WWW
2004
ACM
14 years 8 months ago
Through different eyes: assessing multiple conceptual views for querying web services
We present enhancements for UDDI / DAML-S registries allowing cooperative discovery and selection of Web services with a focus on personalization. To find the most useful service ...
Wolf-Tilo Balke, Matthias Wagner
VLDB
2007
ACM
118views Database» more  VLDB 2007»
14 years 7 months ago
Materialized Views in Probabilistic Databases for Information Exchange and Query Optimization
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
Christopher Re, Dan Suciu
SIGMOD
2009
ACM
133views Database» more  SIGMOD 2009»
14 years 7 months ago
Hierarchical result views for keyword queries over relational databases
Enabling keyword queries over relational databases (KQDB) benefits a large population of users who have difficulty in understanding the database schema or using SQLs. However, sin...
Shiyuan Wang, Jun'ichi Tatemura, Arsany Sawires, O...