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ACM Transactions on Intelligent Systems and Technology (TIST), Volume 2 Issue 4, July 2011

Introduction to special issue on computational sustainability
Carla Gomes, Qiang Yang
Article No.: 31
DOI: 10.1145/1989734.1989735

Submodularity and its applications in optimized information gathering
Andreas Krause, Carlos Guestrin
Article No.: 32
DOI: 10.1145/1989734.1989736

Where should we place sensors to efficiently monitor natural drinking water resources for contamination? Which blogs should we read to learn about the biggest stories on the Web? These problems share a fundamental challenge: How can we obtain the...

Sustainable biomass power plant location in the Italian Emilia-Romagna region
Massimiliano Cattafi, Marco Gavanelli, Michela Milano, Paolo Cagnoli
Article No.: 33
DOI: 10.1145/1989734.1989737

Biomass power plants are very promising for reducing carbon oxides emissions, because they provide energy with a carbon-neutral process. Biomass comes from trees and vegetables, so they provide a renewable type of energy. However, biomass plants...

Temporal data mining approaches for sustainable chiller management in data centers
Debprakash Patnaik, Manish Marwah, Ratnesh K. Sharma, Naren Ramakrishnan
Article No.: 34
DOI: 10.1145/1989734.1989738

Practically every large IT organization hosts data centers---a mix of computing elements, storage systems, networking, power, and cooling infrastructure---operated either in-house or outsourced to major vendors. A significant element of modern...

Agent-based homeostatic control for green energy in the smart grid
Sarvapali D. Ramchurn, Perukrishnen Vytelingum, Alex Rogers, Nicholas R. Jennings
Article No.: 35
DOI: 10.1145/1989734.1989739

With dwindling nonrenewable energy reserves and the adverse effects of climate change, the development of the smart electricity grid is seen as key to solving global energy security issues and to reducing carbon emissions. In this respect, there...

Monitoring global forest cover using data mining
Varun Mithal, Ashish Garg, Shyam Boriah, Michael Steinbach, Vipin Kumar, Christopher Potter, Steven Klooster, Juan Carlos Castilla-Rubio
Article No.: 36
DOI: 10.1145/1989734.1989740

Forests are a critical component of the planet's ecosystem. Unfortunately, there has been significant degradation in forest cover over recent decades as a result of logging, conversion to crop, plantation, and pasture land, or disasters (natural...

MoveMine: Mining moving object data for discovery of animal movement patterns
Zhenhui Li, Jiawei Han, Ming Ji, Lu-An Tang, Yintao Yu, Bolin Ding, Jae-Gil Lee, Roland Kays
Article No.: 37
DOI: 10.1145/1989734.1989741

With the maturity and wide availability of GPS, wireless, telecommunication, and Web technologies, massive amounts of object movement data have been collected from various moving object targets, such as animals, mobile devices, vehicles, and...

Spatiotemporal correlations in criminal offense records
Jameson L. Toole, Nathan Eagle, Joshua B. Plotkin
Article No.: 38
DOI: 10.1145/1989734.1989742

With the increased availability of rich behavioral datasets, we present a novel application of tools to analyze this information. Using criminal offense records as an example, we employ cross-correlation measures, eigenvalue spectrum analysis, and...

Subkilometer crater discovery with boosting and transfer learning
Wei Ding, Tomasz F. Stepinski, Yang Mu, Lourenco Bandeira, Ricardo Ricardo, Youxi Wu, Zhenyu Lu, Tianyu Cao, Xindong Wu
Article No.: 39
DOI: 10.1145/1989734.1989743

Counting craters in remotely sensed images is the only tool that provides relative dating of remote planetary surfaces. Surveying craters requires counting a large amount of small subkilometer craters, which calls for highly efficient automatic...

PTIME: Personalized assistance for calendaring
Pauline M. Berry, Melinda Gervasio, Bart Peintner, Neil Yorke-Smith
Article No.: 40
DOI: 10.1145/1989734.1989744

In a world of electronic calendars, the prospect of intelligent, personalized time management assistance seems a plausible and desirable application of AI. PTIME (Personalized Time Management) is a learning cognitive assistant agent that...

Planning solar array operations on the international space station
Sudhakar Y. Reddy, Jeremy D. Frank, Michael J. Iatauro, Matthew E. Boyce, Elif Kürklü, Mitchell Ai-Chang, Ari K. Jónsson
Article No.: 41
DOI: 10.1145/1989734.1989745

Flight controllers manage the orientation and modes of eight large solar arrays that power the International Space Station (ISS). The task requires generating plans that balance complex constraints and preferences. These considerations include...

RECYCLE: Learning looping workflows from annotated traces
Karen Zita Haigh, Fusun Yaman
Article No.: 42
DOI: 10.1145/1989734.1989746

A workflow is a model of a process that systematically describes patterns of activity. Workflows capture a sequence of operations, their enablement conditions, and data flow dependencies among them. It is hard to design a complete and...