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103
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COMPGEOM
2009
ACM
15 years 8 months ago
Persistent cohomology and circular coordinates
Nonlinear dimensionality reduction (NLDR) algorithms such as Isomap, LLE and Laplacian Eigenmaps address the problem of representing high-dimensional nonlinear data in terms of lo...
Vin de Silva, Mikael Vejdemo-Johansson
121
Voted
ISSTA
2009
ACM
15 years 8 months ago
Identifying semantic differences in AspectJ programs
Program differencing is a common means of software debugging. Although many differencing algorithms have been proposed for procedural and object-oriented languages like C and Ja...
Martin Th Görg, Jianjun Zhao
131
Voted
SIGCOMM
2009
ACM
15 years 8 months ago
Towards automated performance diagnosis in a large IPTV network
IPTV is increasingly being deployed and offered as a commercial service to residential broadband customers. Compared with traditional ISP networks, an IPTV distribution network (i...
Ajay Anil Mahimkar, Zihui Ge, Aman Shaikh, Jia Wan...
140
Voted
SIGIR
2009
ACM
15 years 8 months ago
On social networks and collaborative recommendation
Social network systems, like last.fm, play a significant role in Web 2.0, containing large amounts of multimedia-enriched data that are enhanced both by explicit user-provided an...
Ioannis Konstas, Vassilios Stathopoulos, Joemon M....
118
Voted
SYSTOR
2009
ACM
15 years 8 months ago
DHIS: discriminating hierarchical storage
A typical storage hierarchy comprises of components with varying performance and cost characteristics, providing multiple options for data placement. We propose and evaluate a hie...
Chaitanya Yalamanchili, Kiron Vijayasankar, Erez Z...
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