Sciweavers

111 search results - page 2 / 23
» Comparing values and sentiment using Mechanical Turk
Sort
View
ATAL
2009
Springer
14 years 2 months ago
Comparing trust mechanisms for monitoring aggregator nodes in sensor networks
Sensor nodes are often used to collect data from locations inaccessible or hazardous for humans. As they are not under normal supervision, these nodes are particularly susceptible...
Oly Mistry, Anil Gürsel, Sandip Sen
ICDE
2008
IEEE
167views Database» more  ICDE 2008»
14 years 8 months ago
Automatic Extraction of Useful Facet Hierarchies from Text Databases
Databases of text and text-annotated data constitute a significant fraction of the information available in electronic form. Searching and browsing are the typical ways that users ...
Wisam Dakka, Panagiotis G. Ipeirotis
JSS
2008
157views more  JSS 2008»
13 years 7 months ago
Can k-NN imputation improve the performance of C4.5 with small software project data sets? A comparative evaluation
Missing data is a widespread problem that can affect the ability to use data to construct effective prediction systems. We investigate a common machine learning technique that can...
Qinbao Song, Martin J. Shepperd, Xiangru Chen, Jun...
ICASSP
2011
IEEE
12 years 11 months ago
Accurate transcription of broadcast news speech using multiple noisy transcribers and unsupervised reliability metrics
Professional manual transcription of speech is an expensive and time consuming process. This paper focuses on the problem of combining noisy transcriptions from multiple non-exper...
Kartik Audhkhasi, Panayiotis G. Georgiou, Shrikant...
SP
2010
IEEE
192views Security Privacy» more  SP 2010»
13 years 11 months ago
How Good Are Humans at Solving CAPTCHAs? A Large Scale Evaluation
—Captchas are designed to be easy for humans but hard for machines. However, most recent research has focused only on making them hard for machines. In this paper, we present wha...
Elie Bursztein, Steven Bethard, Celine Fabry, John...