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» Invisible Learning in Online Systems
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CHI
2010
ACM
14 years 4 months ago
Scale detection for a priori gesture recognition
Gesture-based interfaces provide expert users with an efficient form of interaction but they require a learning effort for novice users. To address this problem, some on-line gui...
Caroline Appert, Olivier Bau
SAC
2010
ACM
14 years 4 months ago
CAPTCHA smuggling: hijacking web browsing sessions to create CAPTCHA farms
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...
Manuel Egele, Leyla Bilge, Engin Kirda, Christophe...
EMNLP
2010
13 years 7 months ago
Function-Based Question Classification for General QA
In contrast with the booming increase of internet data, state-of-art QA (question answering) systems, otherwise, concerned data from specific domains or resources such as search e...
Fan Bu, Xingwei Zhu, Yu Hao, Xiaoyan Zhu
CHI
2004
ACM
14 years 10 months ago
Labeling images with a computer game
We introduce a new interactive system: a game that is fun and can be used to create valuable output. When people play the game they help determine the contents of images by provid...
Luis von Ahn, Laura Dabbish
ICDAR
2003
IEEE
14 years 3 months ago
Extraction, layout analysis and classification of diagrams in PDF documents
Diagrams are a critical part of virtually all scientific and technical documents. Analyzing diagrams will be important for building comprehensive document retrieval systems. This ...
Robert P. Futrelle, Mingyan Shao, Chris Cieslik, A...