Customer-obsessed science
Research areas
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July 10, 20265 min readHydroShear, a new physics-based simulator, teaches robots how to use their sense of touch to perform complex manipulation tasks, in a way that transfers seamlessly to the real world.
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July 9, 202610 min read
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Featured news
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Winter Simulation Conference 20252025We introduce a new simulation method to estimate customer-averaged service metrics in nonstationary queueing systems with time-varying arrivals and staffing. Practical delay-based metrics—such as the fraction of customers waiting under a threshold or the average waiting time—are difficult to estimate using standard discrete-event simulation (DES) due to high implementation and variance complexity. We propose
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2025For music streaming services expanding into audiobooks, cold-start personalization presents a critical challenge: as audiobooks are a newly introduced content type, the vast majority of existing users have no audiobook listening history. This domain-level cold-start scenario differs from traditional item or user cold-start scenarios, since personalization must begin before any behavioral data exists in
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SIGIR 2025 Workshop on E-commerce2025Suggesting related questions on search result pages is a popular feature of search engines which helps users satisfy their information needs. In this paper, we study the problem of related question generation in e-commerce search. We study the effectiveness of various approaches for the task that use a Large Language Model (LLM) with different inputs. In particular, by experimenting with the TREC Product
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2025Some text generation tasks, such as Attribute Value Extraction (AVE), require decoding multiple independent sequences from the same document context. While standard autoregressive decoding is slow due to its sequential nature, the independence between output sequences offers an opportunity for parallelism. We present Hyper-Parallel Decoding, a novel decoding algorithm that accelerates offline decoding by
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2025Large Language Models (LLMs) have demonstrated exceptional performance in natural language processing tasks, yet their massive size makes serving them inefficient and costly. Semistructured pruning has emerged as an effective method for model acceleration, but existing approaches are suboptimal because they focus on local, layer-wise optimizations using heuristic rules, failing to leverage global feedback
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