Sciweavers

VLDB
2005
ACM
117views Database» more  VLDB 2005»
14 years 5 months ago
Data Sharing in the Hyperion Peer Database System
This demo presents Hyperion, a prototype system that supports data sharing for a network of independent Peer Relational Database Management Systems (PDBMSs). The nodes of such a n...
Patricia Rodríguez-Gianolli, Maddalena Garz...
VLDB
2005
ACM
139views Database» more  VLDB 2005»
14 years 5 months ago
Analyzing Plan Diagrams of Database Query Optimizers
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
Naveen Reddy, Jayant R. Haritsa
VLDB
2005
ACM
117views Database» more  VLDB 2005»
14 years 5 months ago
Parallel Querying with Non-Dedicated Computers
We present DITN, a new method of parallel querying based on dynamic outsourcing of join processing tasks to non-dedicated, heterogeneous computers. In DITN, partitioning is not th...
Vijayshankar Raman, Wei Han, Inderpal Narang
VLDB
2005
ACM
175views Database» more  VLDB 2005»
14 years 5 months ago
Catching the Best Views of Skyline: A Semantic Approach Based on Decisive Subspaces
The skyline operator is important for multicriteria decision making applications. Although many recent studies developed efficient methods to compute skyline objects in a specifi...
Jian Pei, Wen Jin, Martin Ester, Yufei Tao
VLDB
2005
ACM
85views Database» more  VLDB 2005»
14 years 5 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
VLDB
2005
ACM
122views Database» more  VLDB 2005»
14 years 5 months ago
Streaming Pattern Discovery in Multiple Time-Series
In this paper, we introduce SPIRIT (Streaming Pattern dIscoveRy in multIple Timeseries). Given n numerical data streams, all of whose values we observe at each time tick t, SPIRIT...
Spiros Papadimitriou, Jimeng Sun, Christos Falouts...
VLDB
2005
ACM
162views Database» more  VLDB 2005»
14 years 5 months ago
XQuery Implementation in a Relational Database System
Many enterprise applications prefer to store XML data as a rich data type, i.e. a sequence of bytes, in a relational database system to avoid the complexity of decomposing the dat...
Shankar Pal, Istvan Cseri, Oliver Seeliger, Michae...
VLDB
2005
ACM
206views Database» more  VLDB 2005»
14 years 5 months ago
Native XML Support in DB2 Universal Database
The major relational database systems have been providing XML support for several years, predominantly by mapping XML to existing concepts such as LOBs or (object-)relational tabl...
Matthias Nicola, Bert Van der Linden
VLDB
2005
ACM
105views Database» more  VLDB 2005»
14 years 5 months ago
Answering Imprecise Queries over Web Databases
Ullas Nambiar, Subbarao Kambhampati
VLDB
2005
ACM
139views Database» more  VLDB 2005»
14 years 5 months ago
Tree-Pattern Queries on a Lightweight XML Processor
Popular XML languages, like XPath, use “treepattern” queries to select nodes based on their structural characteristics. While many processing methods have already been propose...
Mirella Moura Moro, Zografoula Vagena, Vassilis J....