Customer-obsessed science
Research areas
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October 1, 202610 min readAugmenting a network graph with agentic AI produces a “digital twin” that can help isolate network failures.
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August 21, 20269 min read
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July 30, 20268 min read
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July 29, 20266 min read
Featured news
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KDD 20222022Graph neural networks (GNN) have shown great success in learning from graph-structured data. They are widely used in various applications, such as recommendation, fraud detection, and search. In these domains, the graphs are typically large and heterogeneous, containing many millions or billions of vertices and edges of different types. To tackle this challenge, we develop DistDGLv2, a system that extends
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KDD 20222022The ability to accurately pinpoint the location of an event (e.g. loss, fault or bug) is of fundamental requirement in many systems. While we have state-of-the-art models to predict likelihood of an outcome, being able to pinpoint to the entity responsible for the outcome is also important. For example, in an e-commerce setup, a lost package detection system needs to infer the reason or location (delivery
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SAT 20222022We present approaches to store and restore the state of a SAT solver, allowing us to migrate the state between different compute resources, or even between different solvers. This can be used in many ways, e.g., to improve the fault tolerance of solvers, to schedule SAT problems on a restricted number of cores, or to use dedicated preprocessing tools for in-processing. We identify a minimum viable subset
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SIGIR 20222022Conventional methods for query autocompletion aim to predict which completed query a user will select from a list. A shortcoming of this approach is that users often do not know which query will provide the best retrieval performance on the current information retrieval system, meaning that any query autocompletion methods trained to mimic user behavior can lead to suboptimal query suggestions. To overcome
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EMAC 20222022Brands are searching for innovative ways to reach customers online. Sponsored Display (SD) by Amazon Ads is a new way to do so, and allows customer reaching strategy by category, product and audience. However, advertisers are uncertain how much SD improves their performance over different time horizons. This paper studies more than 40,000 brands with two different methods: a diffusion-regression state-space
Collaborations
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