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WWW
2011
ACM
12 years 11 months ago
Automatic construction of a context-aware sentiment lexicon: an optimization approach
The explosion of Web opinion data has made essential the need for automatic tools to analyze and understand people’s sentiments toward different topics. In most sentiment analy...
Yue Lu, Malú Castellanos, Umeshwar Dayal, C...
BMCBI
2011
12 years 8 months ago
FIND: A new software tool and development platform for enhanced multicolor flow analysis
Background: Flow Cytometry is a process by which cells, and other microscopic particles, can be identified, counted, and sorted mechanically through the use of hydrodynamic pressu...
Shareef Dabdoub, William C. Ray, Sheryl S. Justice
SIGECOM
2011
ACM
311views ECommerce» more  SIGECOM 2011»
12 years 8 months ago
The role of social networks in online shopping: information passing, price of trust, and consumer choice
While social interactions are critical to understanding consumer behavior, the relationship between social and commerce networks has not been explored on a large scale. We analyze...
Stephen Guo, Mengqiu Wang, Jure Leskovec
SIGMOD
2012
ACM
220views Database» more  SIGMOD 2012»
11 years 7 months ago
GUPT: privacy preserving data analysis made easy
It is often highly valuable for organizations to have their data analyzed by external agents. However, any program that computes on potentially sensitive data risks leaking inform...
Prashanth Mohan, Abhradeep Thakurta, Elaine Shi, D...
SIGIR
2012
ACM
11 years 7 months ago
Cognos: crowdsourcing search for topic experts in microblogs
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
Saptarshi Ghosh, Naveen Kumar Sharma, Fabrí...