Sciweavers

3693 search results - page 218 / 739
» User experience over time
Sort
View
WCNC
2008
IEEE
15 years 6 months ago
An Opportunistic Scheduling Scheme with Minimum Data-Rate Guarantees for OFDMA
Abstract—We tackle the problem of providing minimum datarate guarantees for different classes-of-service in an OFDMAbased network, while obtaining a high system throughput. Our a...
Razvan Pitic, Antonio Capone
DEXA
2009
Springer
124views Database» more  DEXA 2009»
15 years 6 months ago
VisiNav: Visual Web Data Search and Navigation
Semantic Web technologies facilitate data integration over a large number of sources with decentralised and loose coordination, ideally leading to interlinked datasets which descri...
Andreas Harth
HT
1999
ACM
15 years 4 months ago
Control Choices and Network Effects in Hypertext Systems
When the utility of a hypertext system depends on the number of users and amount of data in the system, the system exhibits network effects. This paper examines how the core diffe...
E. James Whitehead Jr.
TSC
2010
182views more  TSC 2010»
14 years 6 months ago
A Query Rewriting Approach for Web Service Composition
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
Mahmoud Barhamgi, Djamal Benslimane, Brahim Medjah...
AGILEDC
2007
IEEE
15 years 6 months ago
The UCD Perspective: Before and After Agile
In the agile and user-centered design (UCD) communities it is often believed that agile’s quick development cycles do not allow time to fully understand our user’s needs. In o...
Heather Williams, Andrew Ferguson