2018 search results - page 384 / 404 » Magnitude-preserving ranking algorithms |
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
Although many variants of language models have been proposed for information retrieval, there are two related retrieval heuristics remaining “external” to the language modelin...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
A number of online video social networks, out of which YouTube is the most popular, provides features that allow users to post a video as a response to a discussion topic. These f...
LICS
2008
IEEE
14 years 2 months ago
2008
IEEE
Collapsible pushdown automata (CPDA) are a new kind of higher-order pushdown automata in which every symbol in the stack has a link to a stack situated somewhere below it. In addi...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
We consider a single-cell multiple-input multiple-output (MIMO) downlink channel where linear transmission and reception strategy is employed. The base station (BS) transmitter is...