Jonathan Lenchner  Jonathan Lenchner photo       

contact information

Chief Scientist,
IBM Research Africa


IBM Research Africa, Catholic University of East Africa, Langata Road, Nairobi, Kenya


links



2016

Characterizing the Distortion of Some Simple Euclidean Embeddings
Jonathan Lenchner, Krzysztof P. Onak, Donald R. Sheehy and Liu Yang
European Conference on Computational Geometry (EuroCG), 2016
Abstract

Ceding Control: Empowering Remote Participants in Meetings involving Smart Conference Rooms
Vinay Venkataraman, Jonathan Lenchner, Shari Trewin, Maryam Ashoori, Shang Guo, Mishal Dholakia, Pavan K. Turaga
Symbiotic Cognitive Systems, Papers from the 2016 AAAI Workshop, Phoenix, Arizona, USA, February 13, 2016.

Symbiotic Cognitive Computing
Robert G. Farrell, Jonathan Lenchner, Jeffrey O. Kephart, Alan M. Webb, Michael J. Muller, Thomas D. Erikson, David O. Melville, Rachel K. E. Bellamy, Daniel M. Gruen, Jonathan H. Connell, Danny Soroker, Andy Aaron, Shari Trewin, Maryam Ashoori, Jason B.
AI Magazine 37(3), 81--93, 2016

Connectivity Graphs of Uncertainty Regions
Erin Chambers, Alejandro Erickson, S\'andor P. Fekete, Jonathan Lenchner, Jeff Sember, Venkatesh Srinivasan, Ulrike Stege, Svetlana Stolpner, Christophe Weibel, Sue Whitesides
Algorithmica, 1--30, 2016
Abstract


2015

A symbiotic cognitive computing perspective on autonomic computing
Kephart, Jeffrey O and Lenchner, Jonathan
Autonomic Computing (ICAC), 2015 IEEE International Conference on, pp. 109--114
Abstract


2013

Analysis of Watson's Strategies for Playing Jeopardy!
Gerry Tesauro, David Gondek, Jonathan Lenchner, James Fan, John M. Prager
J. Artif. Intell. Res. (JAIR)47, 205--251, 2013

Data center asset tracking using a mobile robot
Nelson, John C and Connell, Jonathan and Isci, Canturk and Lenchner, Jonathan
ACM SIGMETRICS Performance Evaluation Review, pp. 339--340, 2013
Abstract


2012

Simulation, learning, and optimization techniques in Watson's game strategies
Gerry Tesauro, David Gondek, Jon Lenchner, James Fan, John M. Prager
IBM Journal of Research and Development 56(3), 16, 2012


2011

Omittable Planes
Branko Gr\"{u}nbaum, Jonathan Lenchner
Electr. J. Comb. 18(1), 2011

Towards data center self-diagnosis using a mobile robot
Lenchner, Jonathan and Isci, Canturk and Kephart, Jeffrey O and Mansley, Christopher and Connell, Jonathan and McIntosh, Suzanne
Proceedings of the 8th ACM international conference on Autonomic computing, pp. 81--90, 2011
Abstract

A robot as mobile sensor and agent in data center energy management
Chan, Hoi and Connell, Jonathan and Isci, Canturk and Kephart, Jeffrey O and Lenchner, Jonathan and Mansley, Christopher and McIntosh, Suzanne
Proceedings of the 8th ACM international conference on Autonomic computing, pp. 165--166, 2011
Abstract

Robotic Mapping and Monitoring of Data Centers
Chris Mansley, Jonathan Connell, Canturk Isci, Jonathan Lenchner, Jeffrey O Kephart, Suzanne McIntosh, Michael Schappert
International Conference on Robotics and Automation (ICRA), 2011

On the affine Sylvester problem
Jonathan Lenchner
Discrete Applied Mathematics 159(7), 612--620, 2011


2010

Geometric Aspects of Robotic Mapping and Monitoring of Data Centers
Mansley, Chris and Connell, Jonathan and Isci, Canturk and Lenchner, Jonathan and Das, Rajarshi and Kephart, Jeffrey O
Fall Workshop on Computational Geometry, Stony Brook, 2010
Abstract

Utility-function-driven energy-efficient cooling in data centers
Rajarshi Das, Jeffrey O Kephart, Jonathan Lenchner, Hendrik Hamann
Proceeding of the 7th international conference on Autonomic computing, pp. 61--70, ACM, 2010
Abstract


2009

A New Proof of the Sylvester-Gallai Theorem
J Lenchner
Geombinatorics 18(4), 171-174, 2009


2008

A note on alpha-drawable k-trees
D Bremner, J Lenchner, G Liotta, C Paul, M Pouget, S Stolpner, S Wismath
Canadian Conference on Computational Geometry (CCCG), 2008

Supporting Real-Time Problem Resolution via Just-in-Time Collaboration with Experts
J Lenchner, J Lai, S Guo, J M Tang
Intelligent User Interfaces (IUI), Workshop on Recommendation and Collaboration, 2008

Omittable lines
L W Berman, B Grunbaum
Ars Mathematica Contemporanea 1(2), 2008


2007

An Improved Bound for the Affine Sylvester Problem.
Lenchner, Jonathan
CCCG, pp. 57--60, 2007
Abstract

Ordinary Points in Polygons
J Lenchner
Fall Workshop in Computational Geometry, 2007

An Improved Bound for the Affine Sylvester Problem
J Lenchner
19th Canadian Conference on Computational Geometry (CCCG), Ottawa, ON, pp. 57--60, 2007

Support services: persuading employees and customers to do what is in the community's best interest
Mark Brodie, Jennifer Lai, Jonathan Lenchner, William Luken, Kavitha Ranganathan, Jung-Mu Tang, Maja Vukovic
Proceedings of the 2nd international conference on Persuasive technology, pp. 121--124, Springer-Verlag, 2007
Abstract

Opposite-quadrant depth in the plane
H Bronnimann, J Lenchner, J Pach
Graphs and Combinatorics23, 145--152, Springer, 2007


2006

Minimum-cost coverage of point sets by disks
Helmut Alt, Esther M Arkin, Herve Bronnimann, Jeff Erickson, Sandor P Fekete, Christian Knauer, Jonathan Lenchner, Joseph S B Mitchell, Kim Whittlesey
Proceedings of the twenty-second annual symposium on Computational geometry, pp. 449--458, ACM, 2006
Abstract

A faster dynamic programming algorithm for facility location
J Lenchner
Fall Workshop in Computational Geometry, 2006

On the number of Euclidean ordinary points for lines in the plane
J Lenchner, H Bronnimann
Geombinatorics 16(1), 227--234, 2006


2005

Wedges in Euclidean arrangements
J Lenchner
Discrete and Computational Geometry, LNCS, pp. 131--142, Springer, 2005


2004



Year Unknown

Path Planning Problems Motivated by a Data Center Robot
Xu, Ning and Lenchner, Jonathan
domino.watson.ibm.com, 0
Abstract