Kotagiri Ramamohanarao

2019

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Protecting privacy for distance and rank based group nearest neighbor queries.
Tanzima Hashem|Lars Kulik|Kotagiri Ramamohanarao|Rui Zhang|Subarna Chowdhury Soma
World Wide Web (WWW) 2019 Volume 22 Issue 1

2018

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Scalable and fast SVM regression using modern hardware.
Zeyi Wen|Rui Zhang|Kotagiri Ramamohanarao|Li Yang
World Wide Web (WWW) 2018 Volume 21 Issue 2

2017

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SMARTS: Scalable Microscopic Adaptive Road Traffic Simulator.
Kotagiri Ramamohanarao|Hairuo Xie|Lars Kulik|Shanika Karunasekera|Egemen Tanin|Rui Zhang|Eman Bin Khunayn
ACM Transactions on Intelligent Systems and Technology (TIST) 2017 Volume 8 Issue 2

2016

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Automatic Generation and Validation of Road Maps from GPS Trajectory Data Sets.
Hengfeng Li|Lars Kulik|Kotagiri Ramamohanarao
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016
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Scalable Local-Recoding Anonymization using Locality Sensitive Hashing for Big Data Privacy Preservation.
Xuyun Zhang|Christopher Leckie|Wanchun Dou|Jinjun Chen|Kotagiri Ramamohanarao|Zoran Salcic
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

2015

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Indexable online time series segmentation with error bound guarantee.
Jianzhong Qi|Rui Zhang|Kotagiri Ramamohanarao|Hongzhi Wang|Zeyi Wen|Dan Wu
World Wide Web (WWW) 2015 Volume 18 Issue 2

2014

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Using Local Information to Significantly Improve Classification Performance.
Wei Liu|Dong Lee|Rao Kotagiri
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014
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Enabling Precision/Recall Preferences for Semi-supervised SVM Training.
Zeyi Wen|Rui Zhang|Kotagiri Ramamohanarao
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

2013

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Discovering latent blockmodels in sparse and noisy graphs using non-negative matrix factorisation.
Jeffrey Chan|Wei Liu|Andrey Kan|Christopher Leckie|James Bailey|Kotagiri Ramamohanarao
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

2012

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Utilizing common substructures to speedup tensor factorization for mining dynamic graphs.
Wei Liu|Jeffrey Chan|James Bailey|Christopher Leckie|Kotagiri Ramamohanarao
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012
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On compressing weighted time-evolving graphs.
Wei Liu|Andrey Kan|Jeffrey Chan|James Bailey|Christopher Leckie|Jian Pei|Kotagiri Ramamohanarao
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

2009

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An analysis of latent semantic term self-correlation.
Laurence Anthony F. Park|Kotagiri Ramamohanarao
ACM Transactions on Information Systems (TOIS) 2009 Volume 27 Issue 2
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Kernel latent semantic analysis using an information retrieval based kernel.
Laurence Anthony F. Park|Kotagiri Ramamohanarao
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

2008

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The Effect of Weighted Term Frequencies on Probabilistic Latent Semantic Term Relationships.
Laurence Anthony F. Park|Kotagiri Ramamohanarao
String Processing and Information Retrieval, 15th International Symposium, SPIRE 2008, Melbourne, Australia, November 10-12, 2008. Proceedings

2007

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Patterns Based Classifiers.
Kotagiri Ramamohanarao|Hongjian Fan
World Wide Web (WWW) 2007 Issue 1
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Mining web multi-resolution community-based popularity for information retrieval.
Laurence Anthony F. Park|Kotagiri Ramamohanarao
Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007

2006

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Structure-based querying of proteins using wavelets.
Keith Marsolo|Srinivasan Parthasarathy|Kotagiri Ramamohanarao
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, Arlington, Virginia, USA, November 6-11, 2006

2005

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A novel document retrieval method using the discrete wavelet transform.
Laurence Anthony F. Park|Kotagiri Ramamohanarao|Marimuthu Palaniswami
ACM Transactions on Information Systems (TOIS) 2005 Volume 23 Issue 3

1994

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Algebraic Equivalences Among Nested Relational Expressions.
Hong-Cheu Liu|Kotagiri Ramamohanarao
Proceedings of the Third International Conference on Information and Knowledge Management (CIKM'94), Gaithersburg, Maryland, USA, November 29 - December 2, 1994

1990

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A signature file scheme based on multiple organizations for indexing very large text databases.
Alan J. Kent|Ron Sacks-Davis|Kotagiri Ramamohanarao
Journal of the Association for Information Science and Technology (JASIST) 1990 Volume 41 Issue 7