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» Finding informative commonalities in concept collections
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CHI
2011
ACM
13 years 2 months ago
The impact of network structure on breaking ties in online social networks: unfollowing on twitter
We investigate the breaking of ties between individuals in the online social network of Twitter, a hugely popular social media service. Building on sociology concepts such as stre...
Funda Kivran-Swaine, Priya Govindan, Mor Naaman
CHI
2004
ACM
14 years 11 months ago
Automatic support for web user studies with SCONE and TEA
This paper describes the concepts of TEA, a flexible tool that supports user tests by automating repetitive tasks and collecting data of user inputs and actions. TEA was specifica...
Hartmut Obendorf, Harald Weinreich, Torsten Hass
ICIP
2005
IEEE
15 years 15 days ago
The M-term pursuit for image representation and progressive compression
This paper introduces a sparse signal representation algorithm in redundant dictionaries, called the M-Term Pursuit (MTP), with an application to image representation and scalable ...
Adel Rahmoune, Pierre Vandergheynst, Pascal Frossa...
CORR
2007
Springer
94views Education» more  CORR 2007»
13 years 10 months ago
Exploring the academic invisible web
Purpose: To provide a critical review of Bergman’s 2001 study on the Deep Web. In addition, we bring a new concept into the discussion, the Academic Invisible Web (AIW). We defi...
Dirk Lewandowski, Philipp Mayr
WWW
2009
ACM
14 years 11 months ago
Constructing folksonomies from user-specified relations on flickr
Automatic folksonomy construction from tags has attracted much attention recently. However, inferring hierarchical relations between concepts from tags has a drawback in that it i...
Anon Plangprasopchok, Kristina Lerman