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SUMMARY:CSE Colloquium - Query Optimization: How to design a Meta-Algorithm that designs Algorithms?
DESCRIPTION:Presenter: Mahmoud Abo Khamis\, RelationalAI \nAbstract: \nDatabase systems have evolved from simple bookkeeping tools to comprehensive data analytics platforms capable of learning from the data and making business decisions. As a result\, database queries expanded in their expressive power and applications to include tensor computations\, constraint satisfaction problems\, graph analytics\, scientific computing\, SAT solving\, among others. This puts a lot of pressure on modern query optimizers to rise up to the occasion and produce efficient query plans for a wide variety of very complex queries that describe problems in different domains. The ultimate goal of query optimization is for the query optimizer to become a “meta-algorithm” where you can feed in any problem definition and get back an efficient algorithm for this particular problem. \nIn this talk\, we describe two related frameworks for query optimization that aim to take us one step in the direction of the above goal. The first framework is based on information theory. It uses information theory to get provably accurate cost estimates for query plans and to find the best query plan. Among other applications\, this framework currently achieves the best known complexity for graph pattern matching problems\, thus subsuming and generalizing known results in this area\, where\, for decades\, algorithms used to be designed by hand for specific graph patterns. The second framework is based on algebra. It uses algebraic abstractions to unify and generalize algorithms across different domains\, in the same way template programming allows for reusing code across different applications. \nBio: \nMahmoud Abo Khamis is a Senior Computer Scientist at RelationalAI\, where he has worked since 2017. He received his Ph.D. in Computer Science and Engineering from the State University of New York at Buffalo in 2016. Prior to joining RelationalAI\, he was a Senior Database Engineer at Infor from 2015 to 2017. His research interests include database systems and theory\, in-database machine learning\, query optimization and evaluation\, information theory\, and beyond worst-case analysis. His work has been recognized with two Test-of-Time Awards at ACM PODS 2025 and 2026\, three Best Paper Awards at ACM SIGMOD 2025 and ACM PODS 2022 and 2016\, three ACM SIGMOD Research Highlight Awards\, and the 2016 Best CSE Dissertation Award from SUNY Buffalo. His work has also received multiple invitations to the Journal of the ACM\, ACM STOC\, and ACM TODS. He is on the Editorial Board of ACM TODS\, and serves on the program committees of ACM PODS\, ICDT\, and ICALP among others. \nHosted by: Professor Nikos Tziavelis \nLocation: Engineering 2\, Room E2-180 (*Refreshments such as coffee\, tea\, pastries\, and fresh fruit will be provided in-person.) \nZoom: https://ucsc.zoom.us/j/93445911992?pwd=YkJ2TQtF79h0PcNXbEcpZLbpK0coiY.1&jst=3
URL:https://events.ucsc.edu/event/cse-colloquium-query-optimization-how-to-design-a-meta-algorithm-that-designs-algorithms/
LOCATION:Engineering 2\, Engineering 2 1156 High Street\, Santa Cruz\, CA\, 95064
CATEGORIES:Lectures & Presentations
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DTSTART;TZID=America/Los_Angeles:20260218T160000
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SUMMARY:Creative Interventions: "Empathy in the Archives" with Irene Lusztig
DESCRIPTION:Across a range of projects\, filmmaker/artist\, archival researcher\, and UC Santa Cruz Film + Digital Media Professor Irene Lusztig discusses her creative practice working with archival materials to reanimate hidden\, forgotten\, and unsettled histories in this talk\, organized as part of the Creative Interventions speaker series.\n—\nADMISSION\n– Attend online\n– FREE and open to UCSC affiliates only\n– Advance registration required here\n—\nFULL SCHEDULE OF EVENTS\n– Event dates to be announced throughout the 2025-26 academic year.\n– Learn more about the Creative Intervention Series here.\n—\nABOUT THE SERIES\nCreative Interventions addresses the interconnected work of artists\, designers\, activists\, and knowledge workers—and the intrinsic and transformative capacity of that work to cultivate a just society. The speaker series raises questions of import to contemporary creative workers in media and technology. How do creative workers address their most challenging problems? How does creative labor intersect with other forms of labor to nurture the world views and cultural practices of democracy?\n—\nThis program is open to all UC Santa Cruz affiliates consistent with state and federal law.
URL:https://events.ucsc.edu/event/ci-lusztig/
LOCATION:
CATEGORIES:Lectures & Presentations
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DTSTART;TZID=America/Los_Angeles:20260219T101500
DTEND;TZID=America/Los_Angeles:20260219T120000
DTSTAMP:20260421T165707
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SUMMARY:Reframing the STEM Classroom: Justice as Pedagogical Practice
DESCRIPTION:In this conversation\, Jabari Jones\, Emily Murai\, and Kriti Sharma reflect on their experiences integrating justice into teaching and curriculum design. They discuss why this work is critical for STEM fields and share lessons learned\, concrete approaches\, and the institutional and disciplinary transformations needed for justice to become core pedagogy across fields. \nClick here for additional details.  \n \nJabari Jones is an Assistant Professor of Earth and Oceanographic Sciences at Bowdoin College. His research is centered around the role of humans as a geologic agent on Earth and how rivers change through time. \nEmily Murai is a Lecturer in UCSC’s Environmental Studies Department and Director of the Emerging Leaders Fellowship program at the Center for Reimagining Leadership. She explores interdisciplinary writing\, critical environmentalism\, and belonging in higher education. \nKriti Sharma is an Associate Professor of Critical Race Science & Technology Studies and Climate Justice Fellow with the Center for Reimagining Leadership at UCSC. She works at the intersection of science\, philosophy\, poetics and justice. \n  \nThe Center for Reimagining Leadership (CRL) is dedicated to establishing workplaces and learning environments that reflect our equity-forward values and allow the full human diversity of our nation and the world to meaningfully contribute to science\, technology\, engineering and mathematics (STEM) fields. \nThe Teaching & Learning Center (TLC) at UC Santa Cruz supports all members of the teaching community by using research- and equity-minded practices to strengthen the culture of teaching\, advance innovative and accessible pedagogy\, and promote student success through collaboration with educators and campus partners within our minority-serving research university. \n 
URL:https://events.ucsc.edu/event/justice-in-stem-classroom/
LOCATION:Namaste Lounge\, 615 College Nine Road\, Santa Cruz\, CA\, 95064
CATEGORIES:Lectures & Presentations
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DTSTART;TZID=America/Los_Angeles:20260219T120000
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SUMMARY:Networking Skills 101
DESCRIPTION:Does the concept of “networking” leave you feeling a little mystified? Everyone says this is an essential skill for career development\, but how do we do it effectively? Join us for this fast-paced and informative workshop led by UCSC Career Success Student Coaches who will share best practices\, insider tips\, and relevant steps that you can take to network with confidence and success! \n  \nAll students are welcome. The presentation will last 45 minutes\, followed by a 15-minute Q&A. \nWe will provide captions for the presentation. If you have disability-related needs\, please contact the Career Success office at csuccess@ucsc.edu or (831) 459-4420 as soon as possible. \n  \nYOU BELONG HERE\nPrograms and services are open to all\, consistent with state and federal law\, as well as the University of California’s nondiscrimination policies. Every initiative—whether a student service\, faculty program\, or community event—is designed to be accessible\, inclusive\, and respectful of all identities. To learn more\, please visit UC Nondiscrimination Statement or Nondiscrimination Policy for UC Publications.
URL:https://events.ucsc.edu/event/networking-skills-101/
LOCATION:Career Success Student Lounge (125 Hahn)\, 1156 High Street\, Santa Cruz\, CA\, 95064\, United States
CATEGORIES:Lectures & Presentations,Workshop
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DTSTART;TZID=America/Los_Angeles:20260219T173000
DTEND;TZID=America/Los_Angeles:20260219T193000
DTSTAMP:20260421T165707
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SUMMARY:Slugs at Sundown: Strengthening Your Professional Brand
DESCRIPTION:In a constantly evolving job market\, having a clear and authentic professional brand can open doors at any career stage. Join fellow Banana Slugs for a practical\, engaging conversation focused on how to show up—and stand out—professionally. We’ll explore how AI-powered tools can help you efficiently tailor your resume for specific opportunities\, along with best practices for sharpening your LinkedIn presence and building meaningful\, genuine connections online. Whether you’re exploring a new direction\, preparing for your next move\, or simply refreshing your professional story\, this session offers actionable takeaways you can put to use right away. \nNew: Complimentary headshots will be available on-site for attendees. \nThursday\, February 19 \n5:30 – 5:45 p.m. | Check-in\n5:45 – 6:45 p.m. | Welcome\, Presentation\, Q&A\n6:45 – 7:30 p.m. | Networking \nThe workshop will be presented by COOP Careers\, in partnership with UCSC Career Success. \nProfessional headshot photography by Cherlyn Wagner (Merrill\, ’99). \nPlease register to confirm your attendance.
URL:https://events.ucsc.edu/event/slugs-at-sundown-strengthening-your-professional-brand/
LOCATION:Silicon Valley Campus\, 3175 Bowers Avenue\, Santa Clara\, CA\, 95054\, United States
CATEGORIES:Lectures & Presentations,Workshop
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DTSTART;TZID=America/Los_Angeles:20260220T140000
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SUMMARY:Fredrickson\, K. (CSE) - Practical Anonymity with Formal Resistance to Traffic Analysis
DESCRIPTION:Anonymous communication systems hide who is talking to whom\, not just what is said. However\, existing systems are either vulnerable to traffic analysis attacks–attacks where adversaries observe and correlate the network traffic of users–or are forced to rely on unrealistic and unenforceable assumptions about how users behave. Worse\, existing theory lacks tools to rigorously model traffic analysis attacks\, much less inform whether if a system is secure against traffic analysis or how to design systems that are. \nWe make several contributions toward our goal of practical anonymity systems that resist traffic analysis. First\, we develop the first formal framework for describing the security of systems against traffic analysis attacks\, allowing us to quantitatively describe and compare the security of all existing works. Second\, leveraging this framework\, we develop a security definition that distinguishes between systems that are and are not susceptible to traffic analysis. We call this property input/output independence. We use this definition to prove that the dominant model of systems–synchronous systems–cannot practically provide input/output independence. We then design a new asynchronous anonymity functionality\, deferred retrieval\, that achieves input/output independence with far more flexible user assumptions and up to 3400 times less traffic overhead for the same latency compared to prior methods. Finally\, we design and implement Sparta\, a family of high-throughput\, scalable instantiations of deferred retrieval using trusted execution environments and oblivious algorithms\, yielding the first practical anonymity systems that are formally resistant to long-term traffic analysis. \nEvent Host: Kyle Fredrickson\, Ph.D. Candidate\, Computer Science and Engineering \nAdvisor: Darrell Long \nZoom – https://ucsc.zoom.us/j/98133127429?pwd=QNICsMrQa6bQUKNPo40PthZyQEQCFl.1 \nPasscode – 242206
URL:https://events.ucsc.edu/event/fredrickson-k-cse-practical-anonymity-with-formal-resistance-to-traffic-analysis/
LOCATION:Engineering 2\, Engineering 2 1156 High Street\, Santa Cruz\, CA\, 95064
CATEGORIES:Ph.D. Presentations
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DTSTART;TZID=America/Los_Angeles:20260222T130000
DTEND;TZID=America/Los_Angeles:20260222T150000
DTSTAMP:20260421T165707
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SUMMARY:Santa Cruz Pickwick Club presents: Bleak House
DESCRIPTION:Spontaneous human combustion! Evil lawyers! Detectives! Family intrigue! These all come together in Charles Dickens’s masterwork\, Bleak House. This year\, we will spend the year reading the 2026 Dickens Universe novel. Join Dickens enthusiasts and Pickwick Club members on Zoom for a series of discussions about this beloved book. \nRegister via Zoom \nReading Schedule:  \n\nOCT 26: Chapters 8-13\nNOV 23: Chapters 14-19\nDEC 28: No meeting\nJAN 25: Chapters 20-25\nFEB 22: Chpaters 26-32\nMAR 22: Chapters 33-38\nAPR 26: Chapters 39-46\nMAY 24: Chapters 47-53\nJUN 28: Chapters 54-67 (End)\n\nRecommended Edition: We recommend the Penguin Classics edition of the novel for its appendices and notes\, but other versions are fine. First-time readers should avoid the Introduction if they don’t want spoilers. Download the novel to read at Gutenburg.org or listen to it at LibriVox.org. \nThe Santa Cruz Pickwick (Book) Club\, a branch of the Dickens Fellowship\, is a community of local bookworms\, students\, and teachers who meet monthly to discuss a nineteenth-century novel. The Santa Cruz Public Libraries provide support for the reading group.
URL:https://events.ucsc.edu/event/santa-cruz-pickwick-club-presents-bleak-house-2/2026-02-22/
LOCATION:CA
CATEGORIES:Lectures & Presentations
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