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PODS
2004
ACM
158views Database» more  PODS 2004»
16 years 4 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
207
Voted
GIS
2010
ACM
15 years 2 months ago
Detecting nearly duplicated records in location datasets
The quality of a local search engine, such as Google and Bing Maps, heavily relies on its geographic datasets. Typically, these datasets are obtained from multiple sources, e.g., ...
Yu Zheng, Xixuan Fen, Xing Xie, Shuang Peng, James...
SEMCO
2007
IEEE
15 years 10 months ago
Challenges and Directions for Semantic Communication
— This paper aims to present ideas to bridge the gap between two conflicting views of information: Shannon information, which is used to model physical layer information, and se...
Volkan Rodoplu, Snehal S. Vadvalkar
158
Voted
RECSYS
2010
ACM
15 years 4 months ago
Collaborative filtering via euclidean embedding
Recommendation systems suggest items based on user preferences. Collaborative filtering is a popular approach in which recommending is based on the rating history of the system. O...
Mohammad Khoshneshin, W. Nick Street
144
Voted
CHI
2007
ACM
16 years 4 months ago
Tangible user interface for chemistry education: comparative evaluation and re-design
Augmented Chemistry (AC) is an application that utilizes a tangible user interface (TUI) for organic chemistry education. The empirical evaluation described in this paper compares...
Morten Fjeld, Jonas Fredriksson, Martin Ejdestig, ...