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SIGMOD
2011
ACM
219views Database» more  SIGMOD 2011»
14 years 8 months ago
Context-sensitive ranking for document retrieval
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
Liang Jeff Chen, Yannis Papakonstantinou
IJSWIS
2008
135views more  IJSWIS 2008»
15 years 5 months ago
Efficient Processing of RDF Queries with Nested Optional Graph Patterns in an RDBMS
Relational technology has shown to be very useful for scalable Semantic Web data management. Numerous researchers have proposed to use RDBMSs to store and query voluminous RDF dat...
Artem Chebotko, Shiyong Lu, Mustafa Atay, Farshad ...
VLDB
1998
ACM
121views Database» more  VLDB 1998»
15 years 10 months ago
Hash Joins and Hash Teams in Microsoft SQL Server
The query execution engine in Microsoft SQL Server employs hash-based algorithms for inner and outer joins, semi-joins, set operations (such as intersection), grouping, and duplic...
Goetz Graefe, Ross Bunker, Shaun Cooper
WSC
1998
15 years 7 months ago
A Study of Self-adjusting Quality of Service Control Schemes
This paper reports simulation methods and results for analyzing a self-adjusting Quality of Service (QoS) control scheme for multimedia/telecommunication systems based on resource...
Sheng-Tzong Cheng, Chi-Ming Chen, Ing-Ray Chen
DSRT
2008
IEEE
16 years 10 days ago
An Adaptive Energy-Conserving Strategy for Parallel Disk Systems
In the past decade parallel disk systems have been highly scalable and able to alleviate the problem of disk I/O bottleneck, thereby being widely used to support a wide range of d...
Mais Nijim, Adam Manzanares, Xiao Qin