Sciweavers

1763 search results - page 225 / 353
» Scientific Data Collections and Distributed Collective Pract...
Sort
View
KRDB
1997
167views Database» more  KRDB 1997»
15 years 5 months ago
Materialized Views and Data Warehouses
A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational ...
Nick Roussopoulos
PODS
2008
ACM
159views Database» more  PODS 2008»
16 years 4 months ago
Approximation algorithms for clustering uncertain data
There is an increasing quantity of data with uncertainty arising from applications such as sensor network measurements, record linkage, and as output of mining algorithms. This un...
Graham Cormode, Andrew McGregor
SENSYS
2010
ACM
15 years 2 months ago
Privacy-aware regression modeling of participatory sensing data
Many participatory sensing applications use data collected by participants to construct a public model of a system or phenomenon. For example, a health application might compute a...
Hossein Ahmadi, Nam Pham, Raghu K. Ganti, Tarek F....
SIGMOD
2010
ACM
362views Database» more  SIGMOD 2010»
14 years 11 months ago
Data warehousing and analytics infrastructure at facebook
Scalable analysis on large data sets has been core to the functions of a number of teams at Facebook - both engineering and nonengineering. Apart from ad hoc analysis of data and ...
Ashish Thusoo, Zheng Shao, Suresh Anthony, Dhruba ...
CIKM
2011
Springer
14 years 4 months ago
Semantic data markets: a flexible environment for knowledge management
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
Roberto De Virgilio, Giorgio Orsi, Letizia Tanca, ...