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CHI
2004
ACM
14 years 9 months ago
Physically large displays improve path integration in 3D virtual navigation tasks
Previous results have shown that users perform better on spatial orientation tasks involving static 2D scenes when working on physically large displays as compared to small ones. ...
Desney S. Tan, Darren Gergle, Peter Scupelli, Rand...
CHI
2003
ACM
14 years 9 months ago
Women go with the (optical) flow
Previous research reported interesting gender effects involving specific benefits for females navigating with wider fields of view on large displays. However, it was not clear wha...
Desney S. Tan, Mary Czerwinski, George G. Robertso...
SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
14 years 8 months ago
Continuous obstructed nearest neighbor queries in spatial databases
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
Yunjun Gao, Baihua Zheng
SIGMOD
2008
ACM
164views Database» more  SIGMOD 2008»
14 years 8 months ago
Relational-style XML query
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
Taro L. Saito, Shinichi Morishita
EDBT
2006
ACM
105views Database» more  EDBT 2006»
14 years 8 months ago
HASE: A Hybrid Approach to Selectivity Estimation for Conjunctive Predicates
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
Xiaohui Yu, Nick Koudas, Calisto Zuzarte