Sciweavers

1611 search results - page 101 / 323
» Queries Independent of Updates
Sort
View
CIKM
2009
Springer
15 years 2 months ago
Query processing of massive trajectory data based on mapreduce
With the development of positioning technologies and the boosting deployment of inexpensive location-aware sensors, large volumes of trajectory data have emerged. However, efficie...
Qiang Ma, Bin Yang 0002, Weining Qian, Aoying Zhou
VLDB
1992
ACM
105views Database» more  VLDB 1992»
15 years 2 months ago
Multiversion Query Locking
Multiversion two-phase locking (MV2PL) has been incorporated in some commercial transaction processing systems to support the serializable execution of queries. A drawback to this...
Paul M. Bober, Michael J. Carey
CSE
2009
IEEE
14 years 11 months ago
Social Relationship Identification: An Example of Social Query
Every moment, millions of people worldwide are communicating and sharing content online. We express ourselves online to enrich existing relationships and establish new relationship...
Christopher P. Diehl, Jaime Montemayor, Michael Pe...
ICDE
2005
IEEE
107views Database» more  ICDE 2005»
15 years 11 months ago
Spatiotemporal Annotation Graph (STAG): A Data Model for Composite Digital Objects
In this demonstration, we present a database over complex documents, which, in addition to a structured text content, also has update information, annotations, and embedded object...
Smriti Yamini, Amarnath Gupta
SEMWEB
2007
Springer
15 years 4 months ago
A Fuzzy Ontology-Approach to improve Semantic Information Retrieval
This paper shows how a Fuzzy Ontology based approach can improve semantic documents retrieval. After formally defining a Fuzzy Knowledge Base, it is discussed a special type of ne...
Silvia Calegari, Elie Sanchez