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SIGIR
2012
ACM
11 years 10 months ago
To index or not to index: time-space trade-offs in search engines with positional ranking functions
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
Diego Arroyuelo, Senén González, Mau...
IPPS
2006
IEEE
14 years 1 months ago
Techniques and tools for dynamic optimization
Traditional code optimizers have produced significant performance improvements over the past forty years. While promising avenues of research still exist, traditional static and p...
Jason Hiser, Naveen Kumar, Min Zhao, Shukang Zhou,...
WD
2010
13 years 2 months ago
Uplink capacity analysis of OFDMA based cellular networks with reuse-1
Abstract--OFDMA based cellular radio networks aim to operate as close as possible to frequency reuse distance of one, where the whole spectrum would be available in every cell. Mod...
Maciej Mühleisen, Daniel Bültmann, Bernh...
WWW
2003
ACM
14 years 8 months ago
Peer-to-peer architecture for content-based music retrieval on acoustic data
In traditional peer-to-peer search networks, operations focus on properly labeled files such as music or video, and the actual search is often limited to text tags. The explosive ...
Cheng Yang
ADBIS
2005
Springer
163views Database» more  ADBIS 2005»
14 years 1 months ago
XML Databases and Beyond - Plenty of Architectural Challenges Ahead
A key observation is that the invariants in database management determine the mapping steps of the supporting architecture. Referring to the multi-layered architecture of record-or...
Theo Härder