Strange but True: Helmets Attract Cars to Cyclists: Scientific American
8 weeks ago by rtlechow
Last September a plucky psychologist at the University of Bath in England announced the results of a study in which he played both researcher and guinea pig. An avid cyclist, Ian Walker had heard several complaints from fellow riders that wearing a helmet seemed to result in bike riders receiving far less room to maneuver—effectively increasing the chances of an accident. So, Walker attached ultrasonic sensors to his bike and rode around Bath, allowing 2,300 vehicles to overtake him while he was either helmeted or naked-headed. In the process, he was actually contacted by a truck and a bus, both while helmeted—though, miraculously, he did not fall off his bike either time.
bikes
bicycles
helmets
safety
data
study
8 weeks ago by rtlechow
Liber Quarterly - The Journal of European Research Libraries
october 2011 by rtlechow
"Why do few libraries make their data available free of charge?"
data
libraries
opendata
october 2011 by rtlechow
Amazon's Dynamo - All Things Distributed
july 2010 by rtlechow
Giuseppe DeCandia, Deniz Hastorun, Madan Jampani, Gunavardhan Kakulapati, Avinash Lakshman, Alex Pilchin, Swami Sivasubramanian, Peter Vosshall and Werner Vogels, “Dynamo: Amazon's Highly Available Key-Value Store”, in the Proceedings of the 21st ACM Symposium on Operating Systems Principles, Stevenson, WA, October 2007.
amazon
architecture
cloud
cluster
database
data
development
nosql
dynamo
s3
scalability
programming
research
web
aws
july 2010 by rtlechow
Google Research Publication: BigTable
july 2010 by rtlechow
Bigtable: A Distributed Storage System for Structured Data
Fay Chang, Jeffrey Dean, Sanjay Ghemawat, Wilson C. Hsieh, Deborah A. Wallach, Mike Burrows, Tushar Chandra, Andrew Fikes, and Robert E. Gruber
architecture
cloud
database
data
cluster
databases
development
distributed
filesystem
google
paper
pdf
programming
scalability
bigtable
Fay Chang, Jeffrey Dean, Sanjay Ghemawat, Wilson C. Hsieh, Deborah A. Wallach, Mike Burrows, Tushar Chandra, Andrew Fikes, and Robert E. Gruber
july 2010 by rtlechow
MetaOptimize Q+A - machine learning, natural language processing, artificial intelligence, text analysis, information retrieval, search, data mining, statistical modeling, and data visualization
ai algorithms analytics community computerscience data datamining learning machine programming mining statistics visualization search
july 2010 by rtlechow
ai algorithms analytics community computerscience data datamining learning machine programming mining statistics visualization search
july 2010 by rtlechow
Truly Open Data - O'Reilly Radar
march 2010 by rtlechow
"So lately I've been asking myself: What if we applied the best thinking and practices from open source to open data? What if we ran an open data project like an open source project? What would this look like?
First, we'd collaboratively build the dataset. This means we'd have a curator who is the equivalent of a project leader, taking patches and filtering for quality. Successful open source project leaders foster a group of developers of different skills, rewarding on merit while fostering new talent. Like open source projects, the nirvana state is to have a project that can survive the retirement or death of its founder."
opensource
data
government
opendata
open
software
technology
blog
opengov
First, we'd collaboratively build the dataset. This means we'd have a curator who is the equivalent of a project leader, taking patches and filtering for quality. Successful open source project leaders foster a group of developers of different skills, rewarding on merit while fostering new talent. Like open source projects, the nirvana state is to have a project that can survive the retirement or death of its founder."
march 2010 by rtlechow
JavaScript grid editor: I want to be Excel « Eltit Golb
january 2010 by rtlechow
"How many times did you hear users asking you: “something simple, a grid like excel”?"
javascript
grid
spreadsheet
jquery
excel
ui
data
js
datagrid
january 2010 by rtlechow
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