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Events for April 21, 2017

  • AI Seminar

    Fri, Apr 21, 2017 @ 11:00 AM - 12:00 PM

    Information Sciences Institute

    Conferences, Lectures, & Seminars


    Speaker: Homa Hosseinmardi , Danaher Corporation

    Talk Title: Multimodal Labeling and Characterization of Social Network Data for Detection/Prediction of Cyberbullying

    Abstract: One of the most pressing problems in high schools is bullying. However, with todays online and mobile technologies, bullying is moving beyond the schoolyards via cell phones, social networks, online text, videos, and images. As bad as fighting and bullying were before the internet age, the recording and posting of hurtful content online have magnified the harmful reach of bullying, enabling it 24 7. Cyberbullying is a growing problem and incidents of cyberbullying with extreme consequences such as suicide are routinely reported in popular press now. This talk provides insights into the problem of cyberbullying in social networks by investigating profanity usage, ground truth labeling of cyberbullying, and characterization of relationships between cyberbullying and a variety of factors, including linguistic content, social graph features, temporal commenting behavior, and multimedia modality. It also looks at the propagation of cyberbullying behavior in a social network, and prediction of victims of such behavior.



    Biography: Homa Hosseinmardi holds PhD in Computer Science from the University of Colorado Boulder. She joined Danaher Corporation in 2015 as Data Scientist at Danaher Labs. She also contributes as a researcher at the CU CyberSafety Research Center. Hosseinmardis interests lie in the area of computational social science and data mining. She is particularly interested in the use of large scale datasets and machine learning techniques to study problems with internet safety, misbehavior and cyberbullying. Her recent work has focused on studying triggers of cyberaggressive behaviors. Her past work also addressed various questions toward understanding cyberbullying in online social networks.

    Host: Emilio Ferrara

    Location: 11th floor large conference room

    Audiences: Everyone Is Invited

    Posted By: Kary LAU

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  • Saviynt Drop In Hours- Tech Task

    Fri, Apr 21, 2017 @ 12:00 PM - 04:00 PM

    Viterbi School of Engineering Career Connections

    Workshops & Infosessions


    Open to Undergraduate and Graduate Students

    Please bring a hard copy of your resume and your laptop. A brief tech task will be given during your drop in to assess your coding experience. Successful students may be asked to schedule an interview for one of the 5 open positions in Los Angeles and/or 5 open positions in Atlanta.

    Saviynt is next-generation company in the IT Security domain specializing in Identity and Access Governance. An innovative company that has and is disrupting the current solution space, which has been stagnant for a decade, with forward looking concepts encompassing enterprise, Cloud and collaboration platform security.

    A company where career is not tenure based, cherishes innovation, drive and ownership of our employees; a culture that nurtures and instills responsibility and rewards performance with rapid career progression. If you have what it takes to be part of this dynamic organization please join our company information session.

    Location: Ronald Tutor Hall of Engineering (RTH) - 109

    Audiences: Everyone Is Invited

    Posted By: Lilian Barajas

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  • Ming Hsieh Institute Seminar Series on Integrated Systems

    Fri, Apr 21, 2017 @ 02:00 PM - 04:00 PM

    Ming Hsieh Department of Electrical Engineering

    Conferences, Lectures, & Seminars


    Speaker: Dr. Aaron Buchwald, Senior Technical Director at InPhi Corporation

    Talk Title: Challenges of Time-Interleaved ADCs

    Host: Profs. Hossein Hashemi, Mike Chen, Dina El-Damak, and Mahta Moghaddam

    More Information: MHI Seminar Series IS - Aaron Buchwald.pdf

    Location: Hughes Aircraft Electrical Engineering Center (EEB) - 132

    Audiences: Everyone Is Invited

    Posted By: Jenny Lin

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  • Seminars in Biomedical Engineering

    Fri, Apr 21, 2017 @ 02:30 PM - 04:30 PM

    Biomedical Engineering

    Conferences, Lectures, & Seminars


    Speaker: Leonard Morsut, PhD, Assistant Professor, Broad CIRM Center and Dept. of Stem Cell Biology and Regenerative Medicine University of Southern California Keck School of Medicine

    Talk Title: Programming cells to build tissues with synthetic biology molecular tools: a new pathway towards engineering development and regeneration

    Series: Seminars in BME (Lab Rotations)

    Abstract: During embryonic development, complex multicellular tissues form based on genetically encoded algorithms that specify how cells will behave both individually and collectively.

    In the Tissue Development Engineering Laboratory we develop synthetic biology approaches to implement in cells such self-organization programs and understand their overall logic, both for basic understanding and applications in regenerative medicine.

    We have recently engineered and characterized a family of orthogonal cell-cell communication pathways, inspired by the mechanism of an endogenous communication system called Notch, which allows a cell to detect molecular signals from its neighbors and, in response, to induce user-specified transcriptional programs. These synthetic Notch pathways do not crosstalk with native pathways or with each other, thus providing multiple novel channels for engineering cell-cell communication. I will show how we used these synthetic pathways to flexibly construct basic routines for multi-cellular patterning and morphogenesis in mammalian cellular systems, e.g. localized differentiation, spatial patterning and Boolean decisions. Then, using the synthetic pathways in combination with adhesion molecules we designed a series of synthetic morphogenetic programs in 3D spheroids that deterministically drive spatial reorganization and symmetry breaking in a dynamic, self-organized fashion; we show that these trajectories are robust to perturbations and capable of self-regeneration. I will discuss possible applications of these technologies for developmental biology and regenerative medicine research and applications, especially in combination with tissue engineering tools and approaches. With the increasingly sophisticated synthetic biology components available today and the developments of tissue engineering we are going towards the possibility of designing the development of functional tissues in a dish with user-defined high level properties like shape, resistance to injury, regeneration, for the next generation of regenerative medicine applications.


    Biography: http://morsutlab.usc.edu/
    Host: Brent Liu, PhD

    Location: Corwin D. Denney Research Center (DRB) - 146

    Audiences: Everyone Is Invited

    Posted By: Mischalgrace Diasanta

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  • Astani Civil and Environmental Engineering Ph.D. Seminar

    Fri, Apr 21, 2017 @ 03:00 PM - 04:00 PM

    Sonny Astani Department of Civil and Environmental Engineering

    Conferences, Lectures, & Seminars


    Speaker: Yanhui Jiang and Measrainsey Meng, Astani CEE Graduate Students

    Talk Title: TBA

    Abstract: TBA

    Location: John Stauffer Science Lecture Hall (SLH) - 102

    Audiences: Everyone Is Invited

    Posted By: Evangeline Reyes

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  • NL Seminar - REINFORCEMENT LEARNING OF NEGOTIATION DIALOGUE POLICIES

    Fri, Apr 21, 2017 @ 03:00 PM - 04:00 PM

    Information Sciences Institute

    Conferences, Lectures, & Seminars


    Speaker: Kallirroi Georgila , USC/ICT

    Talk Title: REINFORCEMENT LEARNING OF NEGOTIATION DIALOGUE POLICIES

    Series: Natural Language Seminar

    Abstract: The dialogue policy of a dialogue system decides on what dialogue move also called action, the system should make given the dialogue context also called dialogue state. Building hand crafted dialogue policies is a hard task, and there is no guarantee that the resulting policies will be optimal. This issue has motivated the dialogue community to use statistical methods for automatically learning dialogue policies, the most popular of which is reinforcement learning RL. However, to date, RL has mainly been used to learn dialogue policies in slot filling applications e.g. restaurant recommendation, flight reservation, etc. largely ignoring other more complex genres of dialogue such as negotiation. This talk presents challenges in reinforcement learning of negotiation dialogue policies. The first part of the talk focuses on applying RL to a two party multi issue negotiation domain. Here the main challenges are the very large state and action space, and learning negotiation dialogue policies that can perform well for a variety of negotiation settings, including against interlocutors whose behavior has not been observed before. Good negotiators try to adapt their behaviors based on their interlocutors' behaviors. However, current approaches to using RL for dialogue management assume that the users behavior does not change over time. In the second part of the talk, I will present an experiment that deals with this problem in a resource allocation negotiation scenario.

    Biography: Kallirroi Georgila is a Research Assistant Professor at the Institute for Creative Technologies ICT at the University of Southern California US and at USCs Computer Science Department. Before joining USC ICT in 2009 she was a Research Scientist at the Educational Testing Service ETS and before that a Research Fellow at the School of Informatics at the University of Edinburgh. Her research interests include all aspects of spoken dialogue processing with a focus on reinforcement learning of dialogue policies, expressive conversational speech synthesis, and speech recognition. She has served on the organizing, senior, and program committees of many conferences and workshops. Her research work is funded by the National Science Foundation and the Army Research Office.

    Host: Marjan Ghazvininejad and Kevin Knight

    More Info: http://nlg.isi.edu/nl-seminar/

    Location: Information Science Institute (ISI) - 11th Flr Conf Rm # 1135, Marina Del Rey

    Audiences: Everyone Is Invited

    Posted By: Peter Zamar

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  • Lost City: Songs from a Changing Sea

    Fri, Apr 21, 2017 @ 08:00 PM - 11:00 PM

    Sonny Astani Department of Civil and Environmental Engineering

    Receptions & Special Events


    Rabbit Rabbit Radio will present a newly created song cycle inspired by the ocean and the changes it is undergoing due to climate change, overfishing, and pollution.

    A free diver transcends her terrestrial ties and, through song, brings you on a tour of our oceans. Carried by the currents that connect us all, she encounters billions of bioluminescent creatures, the endlessly inventive structures of coral reefs on their annual night of spawning, fields of human detritus, and abandoned nets still fishing for no one. What she finds is at once awe-inspiring and devastating.

    Crafted by veterans of rock, classical, and pop music, and using the most powerful aspects of each, Lost City is a set of songs that navigates a visceral tour through the worlds waterways. Each song frames an aspect of our evolving understanding of the ocean and our relationship to it. Created with the cooperation of the Woods Hole Oceanographic Institution, it is an abstract odyssey that reminds us of both the emotional and ecological significance the sea.

    Conceived of by George Ban-Weiss, and composed by Carla Kihlstedt, Matthias Bossi, and Jeremy Flower. These four are joined in performance by Michael Abraham, Kristin Slipp, and Ariel Parkington.

    Location: Tommy's Place

    Audiences: Everyone Is Invited

    Posted By: Kaela Berry

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