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PKDD
2015
Springer
9views Data Mining» more  PKDD 2015»
8 years 3 months ago
Discovering Opinion Spammer Groups by Network Footprints
Online reviews are an important source for consumers to evaluate products/services on the Internet (e.g. Amazon, Yelp, etc.). However, more and more fraudulent reviewers write fake...
Junting Ye, Leman Akoglu
PKDD
2015
Springer
19views Data Mining» more  PKDD 2015»
8 years 3 months ago
Safe Exploration for Active Learning with Gaussian Processes
In this paper, the problem of safe exploration in the active learning context is considered. Safe exploration is especially important for data sampling from technical and industria...
Jens Schreiter, Duy Nguyen-Tuong, Mona Eberts, Bas...
PKDD
2015
Springer
13views Data Mining» more  PKDD 2015»
8 years 3 months ago
Convex Factorization Machines
Abstract. Factorization machines are a generic framework which allows to mimic many factorization models simply by feature engineering. In this way, they combine the high predictiv...
Mathieu Blondel, Akinori Fujino, Naonori Ueda
PKDD
2015
Springer
10views Data Mining» more  PKDD 2015»
8 years 3 months ago
The Difference and the Norm - Characterising Similarities and Differences Between Databases
Suppose we are given a set of databases, such as sales records over different branches. How can we characterise the differences and the norm between these datasets? That is, what a...
Kailash Budhathoki, Jilles Vreeken
ASSETS
2015
ACM
8 years 3 months ago
Zebra Crossing Spotter: Automatic Population of Spatial Databases for Increased Safety of Blind Travelers
In this paper we propose a computer vision-based technique that mines existing spatial image databases for discovery of zebra crosswalks in urban settings. Knowing the location of...
Dragan Ahmetovic, Roberto Manduchi, James M. Cough...
ASSETS
2015
ACM
8 years 3 months ago
Talkabel: A Labeling Method for 3D Printed Models
Three-dimensional printed models are important learning tools for blind people. Unlike tactile graphics, there is no standard accessible way to label these models. We present Talk...
Lei Shi
ASSETS
2015
ACM
8 years 3 months ago
Web Search Credibility Assessment for Individuals who are Blind
While screen reading technologies offer considerable promise to individuals who are blind by providing an accessible overview of web-based content, difficulties can be faced deter...
Ali Abdolrahmani, Ravi Kuber, William Easley
ASSETS
2015
ACM
8 years 3 months ago
Supporting Everyday Activities for Persons with Visual Impairments Through Computer Vision-Augmented Touch
The HandSight project investigates how wearable micro-cameras can be used to augment a blind or visually impaired user’s sense of touch with computer vision. Our goal is to supp...
Leah Findlater, Lee Stearns, Ruofei Du, Uran Oh, D...
ASSETS
2015
ACM
8 years 3 months ago
Typing Performance of Blind Users: An Analysis of Touch Behaviors, Learning Effect, and In-Situ Usage
Non-visual text-entry for people with visual impairments has focused mostly on the comparison of input techniques reporting on performance measures, such as accuracy and speed. Wh...
Hugo Nicolau, Kyle Montague, Tiago João Vie...
ASSETS
2015
ACM
8 years 3 months ago
An Enhanced Electrolarynx with Automatic Fundamental Frequency Control based on Statistical Prediction
An electrolarynx is a type of speaking aid device which is able to mechanically generate excitation sounds to help laryngectomees produce electrolaryngeal (EL) speech. Although EL...
Kou Tanaka, Tomoki Toda, Graham Neubig, Sakriani S...