News
(Feb 06, 2023)
Ambuj is the General Chair for KDD23. He is being helped by a number of current students and alums. Petko Bogdanov is a Lecture-Style Tutorial Chair. Sayan Ranu is a Workshop Chair. Arlei Silva and Sourav Medya are Proceedings Chairs. Mert Kosan and Zexi Huang are Registration Chairs.
(Dec 13, 2022)
Mert Kosan successfully passed his PhD proposal on the topic "Transparent Representation Learning for Attributed Graphs".
Committee: Ambuj Singh (Chair), Francesco Bullo, Xifeng Yan
Graph data show relationships between entities in a variety of domains including but not limited to communication,... more
(Nov 01, 2022)
Sikun Lin successfully defends her Phd on the topic of "Representation Learning on Brain Data".
Committee: Ambuj Singh (Chair), Tommy Sprague, Xifeng Yan
Artificial intelligence and machine learning (AI/ML) have been extremely successful in predicting, optimizing, and controlling the behavior of... more
(Aug 01, 2022)
Sourav Medya is joining University of Illinois, Chicago as Assistant Professor in Fall 22.
(Jun 02, 2022)
Zexi Huang successfully passed his Phd proposal on the topic "Learning Representations for Information-rich Graphs".
Committee: Ambuj Singh (Chair), Yu-Xiang Wang, Noah Friedkin, Xifeng Yan
Graphs are a ubiquitous data structure for encoding rich relational information in various domains, be it... more
(Sep 09, 2021)
Furkan Kocayusufoglu successfully defended his PhD on the topic of "Learning with Richly Structured Data".
Committee: Ambuj Singh (Chair), Xifeng Yan, Francesco Bullo, Yu-Xiang Wang
Learning problems often involve richly structured data, coupled with a diverse set of learning objectives... more
(Jun 13, 2021)
Arlei Silva is joining the computer science department at Rice University as Assistant Professor in Fall 2021.
(Jun 07, 2021)
Mert Kosan successfully passed his MAE today on "Interpretable Representation Learning for Attributed Graphs".
Committee: Ambuj Singh (Chair), Xifeng Yan, Francesco Bullo
Abstract:
Graph data are effective for showing relationships between entities in a variety of domains including but not... more
(May 28, 2021)
Zexi Huang successfully passed her MAE today on "Learning Node Representations for Information-rich Graphs".
Committee: Ambuj Singh (Chair), Yu-Xiang Wang, Noah Friedkin
Abstract:... more
(May 25, 2021)
Hongyuan You successfully defended his PhD on the topic of "Leveraging Network Information for Data-Driven Scientific Discovery".
Committee: Ambuj Singh (Chair), Xifeng Yan, Subhash Suri, Ananthram Swami
Abstract: Network is a popular format for encoding structured information in applications... more
(Mar 02, 2021)
Furkan Kocayusufoglu successfully passed his PhD proposal today on "Learning with Richly Structured Data"
Committee: Ambuj Singh (Chair), Xifeng Yan, Francesco Bullo, Yu-Xiang Wang
Abstract: Learning problems often involve richly structured data, coupled with a diverse set of learning objectives... more
(Dec 27, 2020)
Our alum Arnab Bhattacharya promoted to Full Professor at IIT Kanpur. Congratulations!
(Dec 27, 2020)
How to minimize the number of tests on a contact network by group testing is the subject of our study in a new AAAI 2021 paper.
(Dec 27, 2020)
Our AAAI 2021 paper discusses how to model the behavior of coupled networks using an optimization framework and uses this to understand structure-function coupling in brain entworks.
(Dec 01, 2020)
Can we learn combinatorial algorithms on billion-scale graphs? Our algorithm GCOMB shows you can! GCOMB is possibly the fastest algorithm for Influence Maximization. This work will appear in NeurIPS 2020.
(Nov 23, 2020)
Our paper with the title "The 1995-2018 global evolution of the network of amicable and hostile relations among nation-states" just appeared in the journal of Communications Physics under Nature publications:... more
(Nov 18, 2020)
Omid Askarisichani successfully defended his PhD on the topic of "Explainable Models of Performance on Networks", he will join Google as a Machine Learning Software Engineer.
Committee: Ambuj Singh (Chair), Francesco Bullo, Noah E. Friedkin, Xifeng Yan
Abstract: Networks model complex systems in... more
(Nov 10, 2020)
Wei is hired as Research Professor (特聘研究员) with the Department of Control Science and Engineering at Tongji University.
(Sep 09, 2020)
Haraldur Hallgrimsson successfully defended his PhD on the topic of "Towards Interpretable Models of Health". He will join Apple as an Applied Research Scientist.
Committee: Ambuj Singh (Co-chair), Scott Grafton (Co-chair), Subhash Suri, Xifeng Yan
Abstract: Advances in machine learning have... more
(Sep 01, 2020)
Our alum Sayan Ranu promoted to Associate Professor at IIT Delhi. Congratulations!
(Jun 08, 2020)
Aneesha Mathur successfully defended her Master with Project on the topic of "The Role of Social Communication in Shaping Expert Performance". She will join Oracle as a Software Engineer.
Committee: Ambuj Singh (Chair), Francesco Bullo, Xifeng Yan
Abstract: Interpersonal relationships in the... more
(Apr 19, 2020)
Our paper with title of "A Game Theoretic Approach For Core Resilience" appears in IJCAI, 2020. Link: https://www.ijcai.org/Proceedings/2020/0480.pdf
(Mar 17, 2020)
Our multi-campus data science initiative with funding from the National Science Foundation gets coverage from UCSB:
https://www.news.ucsb.edu/2020/019829/unified-front
(Mar 17, 2020)
Omid Askarisichani presented a succinct summary of research highlights in UCSB Computer Science Summit, Santa Barbara, CA, on 11 March 2020.
The title of the talk was "Using Data Science to Understand Changes in Human Interactions" and its slides can be found in the following link:... more
(Mar 17, 2020)
Daniel Shu and Yiyang (Meredith) Xu alongside their teammates received third place for their capstone project at UCSB CS Summit 2020.
(Mar 06, 2020)
Omid Askarisichani successfully passed his PhD Thesis Proposal on the topic of "Explainable Models of Influence and Performance on Dynamic Networks".
Committee: Ambuj Singh (Chair), Francesco Bullo, Noah E. Friedkin, Xifeng Yan
Abstract:
Networks model complex systems in many real... more
Networks model complex systems in many real... more
(Feb 25, 2020)
Our research on modeling of team dynamics appears in the UCSB Convergence magazine: https://issuu.com/convergence/docs/convergence_23_master_12_2_19.
(Feb 20, 2020)
Ambuj presents a talk on "Models for Human-AI Decision Making" at the Inaugural Workshop on Mind and Machine Intelligence: https://mind-machine.ucsb.edu/events/all/2020/2020-... more
(Feb 04, 2020)
Ambuj presents a talk on the Central Coast Data Science Initiative and leads a panel on Data Science at the LIMPID/IDEAS Joint Workshop: https://bioimage.ucsb.edu/announcements/666.
(Dec 14, 2019)
Richika Sharan and Haraldur Hallgrimsson presented their paper Estimating localized complexity of white-matter wiring with GANs at the NeurIPS Meets Medical Imaging 2019 workshop in... more
(Dec 12, 2019)
Sikun Lin successfully passed her MAE today on "Towards a Better Understanding of Brain Networks."
Committee: Ambuj Singh (Chair), Xifeng Yan, B.S. Manjunath, Tommy Sprague
Abstract:
Human brain is one of the most complex networks. It is anatomically organized over multiple spatial scales... more
Human brain is one of the most complex networks. It is anatomically organized over multiple spatial scales... more
(Oct 16, 2019)
Hongyuan You successfully passed his PhD proposal today on "Leveraging Network Information for Data-Driven Scientific Discovery"
Committee: Ambuj Singh (Chair), Yu-Xiang Wang, Sang-Yun Oh, Tommy Sprague
Abstract:
Network is a popular format for encoding structured information in applications... more
(Sep 18, 2019)
Haraldur Hallgrimsson passes his PhD proposal on "Towards Interpretable Models of Health".
Committee: Ambuj Singh (Co-chair), Scott Grafton (Co-chair), Subhash Suri, Xifeng Yan
Abstract: Healthcare is at a digital inflection point. With a total volume of over two thousand exabytes of healthcare... more
(Aug 16, 2019)
Arlei Lopes da Silva successfully defended his PhD on the topic of "Mining and Modeling Processes on Graphs".
Committee: Ambuj Singh (Chair), Xifeng Yan, Subhash Suri, Ananthram Swami
Abstract: Graphs are a powerful tool for the study of dynamic processes, where a set of interconnected... more
(Jul 25, 2019)
Sourav Medya successfully defended his PhD on the topic of "Scalable Algorithms for Network Design".
Committee: Ambuj Singh (Chair), Amr El Abbadi, Xifeng Yan, Charu Aggarwal, Prithwish Basu
Abstract: Networks (or graphs) are a powerful tool to model complex systems such as social... more
(Jul 05, 2019)
Our research about structural balance theory in the news:
https://www.news.ucsb.edu/2019/019530/balance-under-pressure
(Jun 23, 2019)
Our paper about a longitudinal study of balance theory has appeared in Nature Communication.
(Jun 12, 2019)
Richika Sharan successfully defended her MS thesis on "Analyzing Heterogeneity and Complexity of White Matter Using Deep Learning".
Committee: Ambuj Singh (chair), Scott Grafton, Xifeng Yan
Abstract: In this work, we identify the heterogeneity of regions of white matter across... more
(Jun 04, 2019)
Chandana Upadhyaya successfully defended her MS project on "Human-Agent Decision Making".
Committee: Ambuj Singh (Chair), Francesco Bullo
Abstract: In a human-agent team, the performance of each human/agent is only partially known initially, and revealed over time as in the classic... more
(May 30, 2019)
Ashwini Patil successfully defended her MS Project on "Human-Agent Decision Making".
Committee: Ambuj Singh (Chair), Francesco Bullo
Abstract: The perfect team of the future will most likely consist of humans and agents(AI). To this purpose, we conducted experiments with human subjects to explore... more
(May 01, 2019)
Sai Nikhil Maram successfully defended his MS project on "Relating Network Structure to Performance".
Committee: Ambuj Singh (Chair), Francesco Bullo
Abstract: People are an integral part of any team. They form a network with edges representing their relationships. Network attributes such as... more
(Dec 01, 2018)
The recent PLOSONE paper published as a result of collaboration of researchers in Dynamo lab with MIT university, has been published in govexec news website:
https://www.govexec.com/... more
(Oct 16, 2018)
The recent PLOSONE paper published as a result of collaboration of researchers in Dynamo lab with MIT university, has received coverage in a news ... more
(Aug 06, 2018)
Committee: Irene A. Chen, Ambuj K. Singh (co-chair), Joan-Emma Shea (co-chair), Mattanjah S. de Vries
Title: Understanding Complex Biological Systems using Machine Learning - Applications in RNA landscape and wound microbiome
(Jun 12, 2018)
Committee: Ambuj Singh (Chair), Amr El Abbadi, Xifeng Yan, Charu Aggarwal, Prithwish Basu
Title: Scalable Algorithms for Network Design
Abstract:
Networks (or graphs) are a powerful tool to model complex systems in many real-applications, such as those arising from social media,... more
Title: Scalable Algorithms for Network Design
Abstract:
Networks (or graphs) are a powerful tool to model complex systems in many real-applications, such as those arising from social media,... more
(Jun 06, 2018)
Committee: Ambuj K. Singh (Chair), Francesco Bullo, Noah Friedkin, Xifeng Yan
Title: "Predictive Models for Team Performance"
Abstract:
Designing an optimal team is of interest in many disciplines: recruitment of faculty members to build an effective academic department, matchmaking in... more
(Jun 05, 2018)
Committee: Ambuj K. Singh (chair), Francesco Bullo, Noah Friedkin.
Title: Online Learning in Group Decision Making
Abstract:
A perfect agent acting within a complex environment incorporates all relevant data and uncertainties, both tangible and intangible, when making... more
Title: Online Learning in Group Decision Making
Abstract:
A perfect agent acting within a complex environment incorporates all relevant data and uncertainties, both tangible and intangible, when making... more
(Jun 01, 2018)
Yuning Shen, a current PhD student in Department of Chemistry & Biochemistry joins our lab for a MS degree in CS. Welcome!