17329 search results - page 3193 / 3466 » Improved non-approximability results |
205
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
We describe a recommender system in the domain of grocery shopping. While recommender systems have been widely studied, this is mostly in relation to leisure products (e.g. movies...
184
Voted
KDD
2009
ACM
16 years 7 months ago
2009
ACM
Conditional random fields(CRFs) are a class of undirected graphical models which have been widely used for classifying and labeling sequence data. The training of CRFs is typicall...
198
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
When labeled examples are limited and difficult to obtain, transfer learning employs knowledge from a source domain to improve learning accuracy in the target domain. However, the...
192
click to vote
KDD
2009
ACM
16 years 7 months ago
2009
ACM
In traditional text clustering methods, documents are represented as "bags of words" without considering the semantic information of each document. For instance, if two ...
200
click to vote
KDD
2009
ACM
16 years 7 months ago
2009
ACM
Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a re...