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CSCW
2012
ACM
14 years 2 months ago
Dynamic changes in motivation in collaborative citizen-science projects
Online citizen science projects engage volunteers in collecting, analyzing, and curating scientific data. Existing projects have demonstrated the value of using volunteers to coll...
Dana Rotman, Jenny Preece, Jen Hammock, Kezee Proc...
192
Voted
DOLAP
2008
ACM
15 years 8 months ago
Data mining-based fragmentation of XML data warehouses
With the multiplication of XML data sources, many XML data warehouse models have been proposed to handle data heterogeneity and complexity in a way relational data warehouses fail...
Hadj Mahboubi, Jérôme Darmont
SSDBM
2003
IEEE
160views Database» more  SSDBM 2003»
15 years 12 months ago
The Virtual Data Grid: A New Model and Architecture for Data-Intensive Collaboration
It is now common to encounter communities engaged in the collaborative analysis and transformation of large quantities of data over extended time periods. We argue that these comm...
Ian T. Foster
IJNSEC
2008
75views more  IJNSEC 2008»
15 years 6 months ago
A Key Management Scheme for Hierarchical Access Control in Group Communication
In group communication, users often have different access rights to multiple data streams. Based on the access relation of users and data streams, users can form partially ordered...
Qiong Zhang, Yuke Wang, Jason P. Jue
CIKM
2008
Springer
15 years 8 months ago
Data degradation: making private data less sensitive over time
Trail disclosure is the leakage of privacy sensitive data, resulting from negligence, attack or abusive scrutinization or usage of personal digital trails. To prevent trail disclo...
Nicolas Anciaux, Luc Bouganim, Harold van Heerde, ...