Sciweavers

2070 search results - page 106 / 414
» Querying Communities in Relational Databases
Sort
View
EDBT
2010
ACM
177views Database» more  EDBT 2010»
15 years 6 months ago
Bridging the gap between intensional and extensional query evaluation in probabilistic databases
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
Abhay Jha, Dan Olteanu, Dan Suciu
NGC
2007
Springer
150views Communications» more  NGC 2007»
14 years 10 months ago
Exploiting Temporal Relations in Mining Hepatitis Data
Various data mining methods have been developed last few years for hepatitis study using a large temporal and relational database given to the research community. In this work we i...
Tu Bao Ho, Canh Hao Nguyen, Saori Kawasaki, Si Qua...
SIGMOD
2008
ACM
203views Database» more  SIGMOD 2008»
15 years 11 months ago
Querying continuous functions in a database system
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
Arvind Thiagarajan, Samuel Madden
VLDB
1998
ACM
108views Database» more  VLDB 1998»
15 years 3 months ago
MindReader: Querying Databases Through Multiple Examples
Users often can not easily express their queries. For example, in a multimedia image by content setting, the user might want photographs with sunsets; in current systems, like QBI...
Yoshiharu Ishikawa, Ravishankar Subramanya, Christ...
VLDB
2000
ACM
248views Database» more  VLDB 2000»
15 years 2 months ago
Multi-Dimensional Database Allocation for Parallel Data Warehouses
Data allocation is a key performance factor for parallel database systems (PDBS). This holds especially for data warehousing environments where huge amounts of data and complex an...
Thomas Stöhr, Holger Märtens, Erhard Rah...