127 search results - page 19 / 26 » Nazca: A Geographic Location Service |
SAC
2006
ACM
13 years 7 months ago
2006
ACM
The use of recommender systems in e-commerce to guide customer choices presents a privacy protection problem that is twofold. We seek to protect the privacy interests of customers...
ATAL
2008
Springer
13 years 9 months ago
2008
Springer
We present mechanisms, architectures, and an implementation addressing challenges with mobile opportunistic commerce centering on markets and mechanisms that support the procureme...
SDMW
2009
Springer
13 years 12 months ago
2009
Springer
A “friend finder” is a Location Based Service (LBS) that informs users about the presence of participants in a geographical area. In particular, one of the functionalities of ...
ECAI
2004
Springer
14 years 23 days ago
2004
Springer
This paper presents the design and development of an adaptive planning system using the technology of Web services. The Web-based adaptive planning system consists of two modules t...
WEBI
2007
Springer
14 years 1 months ago
2007
Springer
This article presents a characterization of user behavior on Flickr, a popular on-line photo sharing service that allows users to store, search, sort and share their photos. Based...