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CHI
2011
ACM
14 years 10 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
SIGMOD
2011
ACM
299views Database» more  SIGMOD 2011»
14 years 10 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
WWW
2008
ACM
16 years 7 months ago
m-Dvara 2.0: Mobile & Web 2.0 Services Integration for Cultural Heritage
Web 2.0 marks a new philosophy where user is the main actor and content producer: users write blogs and comments, they tag, link, and upload photos, pictures, videos, and podcasts...
Paolo Coppola, Raffaella Lomuscio, Stefano Mizzaro...
WWW
2008
ACM
16 years 7 months ago
Collaborative knowledge semantic graph image search
In this paper, we propose a Collaborative Knowledge Semantic Graphs Image Search (CKSGIS) system. It provides a novel way to conduct image search by utilizing the collaborative na...
Jyh-Ren Shieh, Yang-Ting Yeh, Chih-Hung Lin, Ching...
CHI
2007
ACM
16 years 7 months ago
Why we tag: motivations for annotation in mobile and online media
Why do people tag? Users have mostly avoided annotating media such as photos ? both in desktop and mobile environments ? despite the many potential uses for annotations, including...
Morgan Ames, Mor Naaman