Browsing is a collaborative process
Information Processing and Management: an International Journal
Gender differences in collaborative web searching behavior: an elementary school study
Information Processing and Management: an International Journal
Privacy and Rationality in Individual Decision Making
IEEE Security and Privacy
Location disclosure to social relations: why, when, & what people want to share
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A study of preferences for sharing and privacy
CHI '05 Extended Abstracts on Human Factors in Computing Systems
A study on the value of location privacy
Proceedings of the 5th ACM workshop on Privacy in electronic society
Information re-retrieval: repeat queries in Yahoo's logs
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
Investigating the querying and browsing behavior of advanced search engine users
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
SearchTogether: an interface for collaborative web search
Proceedings of the 20th annual ACM symposium on User interface software and technology
A live-user evaluation of collaborative web search
IJCAI'05 Proceedings of the 19th international joint conference on Artificial intelligence
Adaptive search suggestions for digital libraries
ICADL'07 Proceedings of the 10th international conference on Asian digital libraries: looking back 10 years and forging new frontiers
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Collaborative search engines (CSE) are an upcoming trend in WWW search. CSE let knowledge workers concert their efforts and support user collaboration. However, search terms and links clicked that are shared among users reveal their interests, habits, social relations and intentions. Thus, CSE might put the privacy of the users at risk. In this paper, we describe our first steps towards discovering the scope of privacy needs in CSE. We identify common components of CSE, and we describe typical use cases and user groups. Based on these information, we explore the range of privacy threats that might arise from query and link sharing. Furthermore, we outline a conceptual framework to explore the privacy needs of CSE users. Finally, we describe two findings from preliminary study results: First, our participants were less concerned about what providers might learn, but wanted to restrict information disclosed to people in their social network. Second, we have identified a new class of reciprocal privacy preferences, which allow or prohibit information disclose depending on the behavior of others.