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CIKM
2006
Springer
15 years 6 months ago
Constrained subspace skyline computation
In this paper we introduce the problem of Constrained Subspace Skyline Queries. This class of queries can be thought of as a generalization of subspace skyline queries using range...
Evangelos Dellis, Akrivi Vlachou, Ilya Vladimirski...
ESWS
2008
Springer
15 years 4 months ago
Q2Semantic: A Lightweight Keyword Interface to Semantic Search
The increasing amount of data on the Semantic Web offers opportunities for semantic search. However, formal query hinders the casual users in expressing their information need as t...
Haofen Wang, Kang Zhang, Qiaoling Liu, Thanh Tran,...
137
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BCI
2009
IEEE
15 years 9 months ago
On the Performance of SVD-Based Algorithms for Collaborative Filtering
—In this paper, we describe and compare three Collaborative Filtering (CF) algorithms aiming at the low-rank approximation of the user-item ratings matrix. The algorithm implemen...
Manolis G. Vozalis, Angelos I. Markos, Konstantino...
153
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ISPASS
2009
IEEE
15 years 9 months ago
Accurately approximating superscalar processor performance from traces
Trace-driven simulation of superscalar processors is particularly complicated. The dynamic nature of superscalar processors combined with the static nature of traces can lead to l...
Kiyeon Lee, Shayne Evans, Sangyeun Cho
LCN
2006
IEEE
15 years 8 months ago
Experimental investigation on VoIP performance and the resource utilization in 802.11b WLANs
In a shared medium network like the 802.11b WLAN, predicting the quality of VoIP calls from the resource usage of the wireless medium is highly desirable. Analyzing the bandwidth ...
Miroslaw Narbutt, Mark Davis