Sciweavers

VLDB
2002
ACM
126views Database» more  VLDB 2002»
13 years 7 months ago
FAS - A Freshness-Sensitive Coordination Middleware for a Cluster of OLAP Components
Data warehouses offer a compromise between freshness of data and query evaluation times. However, a fixed preference ratio between these two variables is too undifferentiated. Wit...
Uwe Röhm, Klemens Böhm, Hans-Jörg S...
VLDB
2002
ACM
123views Database» more  VLDB 2002»
13 years 7 months ago
Maintaining Data Privacy in Association Rule Mining
Data mining services require accurate input data for their results to be meaningful, but privacy concerns may influence users to provide spurious information. We investigate here,...
Shariq Rizvi, Jayant R. Haritsa
VLDB
2002
ACM
118views Database» more  VLDB 2002»
13 years 7 months ago
Translating Web Data
We present a novel framework for mapping between any combination of XML and relational schemas, in which a high-level, userspecified mapping is translated into semantically meanin...
Lucian Popa, Yannis Velegrakis, Renée J. Mi...
VLDB
2002
ACM
106views Database» more  VLDB 2002»
13 years 7 months ago
Structure and Value Synopses for XML Data Graphs
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
Neoklis Polyzotis, Minos N. Garofalakis
VLDB
2002
ACM
97views Database» more  VLDB 2002»
13 years 7 months ago
Structural Function Inlining Technique for Structurally Recursive XML Queries
Structurally recursive XML queries are an important query class that follows the structure of XML data. At present, it is difficult for XQuery to type and optimize structurally re...
Chang-Won Park, Jun-Ki Min, Chin-Wan Chung
VLDB
2002
ACM
116views Database» more  VLDB 2002»
13 years 7 months ago
The Denodo Data Integration Platform
The world today is characterised by the proliferation of information sources available through media such as the WWW, databases, semi-structured files (e.g. XML documents), etc. N...
Alberto Pan, Juan Raposo, Manuel Álvarez, P...
VLDB
2002
ACM
77views Database» more  VLDB 2002»
13 years 7 months ago
Sideway Value Algebra for Object-Relational Databases
Gultekin Özsoyoglu, Abdullah Al-Hamdani, Isma...
VLDB
2002
ACM
131views Database» more  VLDB 2002»
13 years 7 months ago
ProTDB: Probabilistic Data in XML
Whereas traditional databases manage only deterministic information, many applications that use databases involve uncertain data. This paper presents a Probabilistic Tree Data Bas...
Andrew Nierman, H. V. Jagadish
VLDB
2002
ACM
99views Database» more  VLDB 2002»
13 years 7 months ago
An Efficient Method for Performing Record Deletions and Updates Using Index Scans
We present a method for efficiently performing deletions and updates of records when the records to be deleted or updated are chosen by a range scan on an index. The traditional m...
C. Mohan