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SIGIR
2004
ACM
16 years 19 days ago
Configurable indexing and ranking for XML information retrieval
Indexing and ranking are two key factors for efficient and effective XML information retrieval. Inappropriate indexing may result in false negatives and false positives, and impro...
Shaorong Liu, Qinghua Zou, Wesley W. Chu
CSCW
2012
ACM
14 years 2 months ago
CrowdWeaver: visually managing complex crowd work
Though toolkits exist to create complex crowdsourced workflows, there is limited support for management of those workflows. Managing crowd workers and tasks requires significant i...
Aniket Kittur, Susheel Khamkar, Paul André,...
ASSETS
2000
ACM
15 years 11 months ago
Constructive exploration of spatial information by blind users
When blind people wish to walk through an area not fully known to them, they have to prepare themselves even more thoroughly than sighted pedestrians. We propose a new approach to...
Jochen Schneider, Thomas Strothotte
CHI
2011
ACM
14 years 10 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
SOCIALCOM
2010
15 years 5 months ago
A Methodology for Integrating Network Theory and Topic Modeling and its Application to Innovation Diffusion
Text data pertaining to socio-technical networks often are analyzed separately from relational data, or are reduced to the fact and strength of the flow of information between node...
Jana Diesner, Kathleen M. Carley