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JAMIA
2011
94views more  JAMIA 2011»
13 years 3 months ago
Challenges in ethics, safety, best practices, and oversight regarding HIT vendors, their customers, and patients: a report of an
The current commercial health information technology (HIT) arena encompasses a number of competing firms that provide electronic health applications to hospitals, clinical practi...
Kenneth W. Goodman, Eta S. Berner, Mark A. Dente, ...
CHI
2011
ACM
13 years 7 days ago
When designing usability questionnaires, does it hurt to be positive?
When designing questionnaires there is a tradition of including items with both positive and negative wording to minimize acquiescence and extreme response biases. Two disadvantag...
Jeff Sauro, James R. Lewis
GIS
2010
ACM
13 years 6 months ago
Towards location-based social networking services
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...
Chi-Yin Chow, Jie Bao 0003, Mohamed F. Mokbel
SIGMOD
2011
ACM
299views Database» more  SIGMOD 2011»
12 years 11 months ago
Processing theta-joins using MapReduce
Joins are essential for many data analysis tasks, but are not supported directly by the MapReduce paradigm. While there has been progress on equi-joins, implementation of join alg...
Alper Okcan, Mirek Riedewald
ICDE
2007
IEEE
151views Database» more  ICDE 2007»
14 years 10 months ago
Fast, Secure Encryption for Indexing in a Column-Oriented DBMS
Networked information systems require strong security guarantees because of the new threats that they face. Various forms of encryption have been proposed to deal with this proble...
Tingjian Ge, Stanley B. Zdonik