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ACM Transactions on Spatial Algorithms and Systems (TSAS), Volume 3 Issue 2, August 2017



Section: SIGSPATIAL Paper

Accurate and Energy-Efficient GPS-Less Outdoor Localization
Heba Aly, Anas Basalamah, Moustafa Youssef
Article No.: 4
DOI: 10.1145/3085575

Location-based services have become an important part of our daily lives. However, such services require continuous user tracking while preserving the scarce cell-phone battery resource. In this article, we present Dejavu, a system that...

Section: SIGSPATIAL Paper

Classification of Passes in Football Matches Using Spatiotemporal Data
Sanjay Chawla, Joël Estephan, Joachim Gudmundsson, Michael Horton
Article No.: 6
DOI: 10.1145/3105576

A knowledgeable observer of a game of football (soccer) can make a subjective evaluation of the quality of passes made between players during the game, such as rating them as Good, OK, or Bad. In this article, we consider the...