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CHI
2011
ACM
14 years 3 months 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
14 years 9 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»
14 years 2 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
GIS
2004
ACM
16 years 24 days ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi
SIGSOFT
2006
ACM
16 years 15 days ago
Failure proximity: a fault localization-based approach
Recent software systems usually feature an automated failure reporting system, with which a huge number of failing traces are collected every day. In order to prioritize fault dia...
Chao Liu 0001, Jiawei Han