Sciweavers

995 search results - page 125 / 199
» Optimization of Complex Nested Queries in Relational Databas...
Sort
View
ICDE
2010
IEEE
408views Database» more  ICDE 2010»
15 years 10 months ago
Hive - a petabyte scale data warehouse using Hadoop
— The size of data sets being collected and analyzed in the industry for business intelligence is growing rapidly, making traditional warehousing solutions prohibitively expensiv...
Ashish Thusoo, Joydeep Sen Sarma, Namit Jain, Zhen...
SAC
2009
ACM
15 years 9 months ago
Building an efficient preference XML query processor
Today user-centered information acquisition over collections of complex XML documents is increasingly in demand. To this end, preferences have become an important paradigm enablin...
SungRan Cho, Wolf-Tilo Balke
DBPL
2007
Springer
75views Database» more  DBPL 2007»
15 years 9 months ago
Querying Structural and Behavioral Properties of Business Processes
BPQL is a novel query language for querying business process specifications, introduced recently in [5, 6]. It is based on an intuitive business processes as rewriting systems, an...
Daniel Deutch, Tova Milo
PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 5 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
DASFAA
2005
IEEE
256views Database» more  DASFAA 2005»
15 years 8 months ago
CoCache: Query Processing Based on Collaborative Caching in P2P Systems
Peer-to-peer (P2P) computing is gaining more and more significance due to its widespread use currently and potential deployments in future applications. In this paper, we propose ...
Weining Qian, Linhao Xu, Shuigeng Zhou, Aoying Zho...