21108 search results - page 4100 / 4222 » A General Class of Models of |
SIGECOM
2004
ACM
14 years 3 months ago
2004
ACM
In this paper, we combine two approaches to handling uncertainty: we use techniques for finding optimal solutions in the expected sense to solve combinatorial optimization proble...
SIGECOM
2004
ACM
14 years 3 months ago
2004
ACM
We explore an alternative approach to spam based on economic rather than technological or regulatory screening mechanisms. We employ a model of email value which supports two intu...
SIGECOM
2004
ACM
14 years 3 months ago
2004
ACM
A crucial element in consumer electronic commerce is a catalog tool that not only finds the product for the user, but also convinces him that he has made the best choice. To do th...
SIGIR
2004
ACM
14 years 3 months ago
2004
ACM
Link Analysis has shown great potential in improving the performance of web search. PageRank and HITS are two of the most popular algorithms. Most of the existing link analysis al...
SIGIR
2004
ACM
14 years 3 months ago
2004
ACM
Noun phrases in queries are identified and classified into four types: proper names, dictionary phrases, simple phrases and complex phrases. A document has a phrase if all content...