Search Results - "Lambert, Mathias"

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  1. 1

    Hybrid data fidelity term approach for quantitative susceptibility mapping by Lambert, Mathias, Tejos, Cristian, Langkammer, Christian, Milovic, Carlos

    Published in Magnetic resonance in medicine (01-08-2022)
    “…Purpose Susceptibility maps are usually derived from local magnetic field estimations by minimizing a functional composed of a data consistency term and a…”
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    Journal Article
  2. 2
  3. 3

    Streaking artifact suppression of quantitative susceptibility mapping reconstructions via L1‐norm data fidelity optimization (L1‐QSM) by Milovic, Carlos, Lambert, Mathias, Langkammer, Christian, Bredies, Kristian, Irarrazaval, Pablo, Tejos, Cristian

    Published in Magnetic resonance in medicine (01-01-2022)
    “…Purpose The presence of dipole‐inconsistent data due to substantial noise or artifacts causes streaking artifacts in quantitative susceptibility mapping (QSM)…”
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    Journal Article
  4. 4

    Toward a realistic in silico abdominal phantom for QSM by Silva, Javier, Milovic, Carlos, Lambert, Mathias, Montalba, Cristian, Arrieta, Cristóbal, Irarrazaval, Pablo, Uribe, Sergio, Tejos, Cristian

    Published in Magnetic resonance in medicine (01-06-2023)
    “…Purpose QSM outside the brain has recently gained interest, particularly in the abdominal region. However, the absence of reliable ground truths makes…”
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    Journal Article
  5. 5

    Contextual Slot Carryover for Disparate Schemas by Naik, Chetan, Gupta, Arpit, Ge, Hancheng, Mathias, Lambert, Sarikaya, Ruhi

    Published 05-06-2018
    “…In the slot-filling paradigm, where a user can refer back to slots in the context during a conversation, the goal of the contextual understanding system is to…”
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    Journal Article
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    Pre-Training for Query Rewriting in a Spoken Language Understanding System by Chen, Zheng, Fan, Xing, Ling, Yuan

    “…Query rewriting (QR) is an increasingly important technique to reduce customer friction caused by errors in a spoken language understanding pipeline, where the…”
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    Conference Proceeding
  7. 7

    Hybrid Data Fidelity Term Approach for Quantitative Susceptibility Mapping by Lambert, Mathias G

    Published 01-01-2022
    “…Susceptibility maps are usually derived from local magnetic field estimations by minimizing a functional composed of a data consistency term and a…”
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    Dissertation
  8. 8

    Time Masking: Leveraging Temporal Information in Spoken Dialogue Systems by Conway, Rylan, Mathias, Lambert

    Published 25-07-2019
    “…In a spoken dialogue system, dialogue state tracker (DST) components track the state of the conversation by updating a distribution of values associated with…”
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    Journal Article
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    Meta-training with Demonstration Retrieval for Efficient Few-shot Learning by Mueller, Aaron, Narang, Kanika, Mathias, Lambert, Wang, Qifan, Firooz, Hamed

    Published 30-06-2023
    “…Large language models show impressive results on few-shot NLP tasks. However, these models are memory and computation-intensive. Meta-training allows one to…”
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    Journal Article
  10. 10

    Leveraging External Knowledge for Out-Of-Vocabulary Entity Labeling by de Wynter, Adrian, Mathias, Lambert

    Published 26-08-2019
    “…Dealing with previously unseen slots is a challenging problem in a real-world multi-domain dialogue state tracking task. Other approaches rely on predefined…”
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    Journal Article
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    Policy Compliance Detection via Expression Tree Inference by Kotonya, Neema, Vlachos, Andreas, Yazdani, Majid, Mathias, Lambert, Saeidi, Marzieh

    Published 24-05-2022
    “…Policy Compliance Detection (PCD) is a task we encounter when reasoning over texts, e.g. legal frameworks. Previous work to address PCD relies heavily on…”
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    Journal Article
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    TimelineQA: A Benchmark for Question Answering over Timelines by Tan, Wang-Chiew, Dwivedi-Yu, Jane, Li, Yuliang, Mathias, Lambert, Saeidi, Marzieh, Yan, Jing Nathan, Halevy, Alon Y

    Published 01-06-2023
    “…Lifelogs are descriptions of experiences that a person had during their life. Lifelogs are created by fusing data from the multitude of digital services, such…”
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    Journal Article
  13. 13

    Logical Satisfiability of Counterfactuals for Faithful Explanations in NLI by Sia, Suzanna, Belyy, Anton, Almahairi, Amjad, Khabsa, Madian, Zettlemoyer, Luke, Mathias, Lambert

    Published 24-05-2022
    “…Evaluating an explanation's faithfulness is desired for many reasons such as trust, interpretability and diagnosing the sources of model's errors. In this…”
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    Journal Article
  14. 14

    PERFECT: Prompt-free and Efficient Few-shot Learning with Language Models by Mahabadi, Rabeeh Karimi, Zettlemoyer, Luke, Henderson, James, Saeidi, Marzieh, Mathias, Lambert, Stoyanov, Veselin, Yazdani, Majid

    Published 03-04-2022
    “…Current methods for few-shot fine-tuning of pretrained masked language models (PLMs) require carefully engineered prompts and verbalizers for each new task to…”
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    Journal Article
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    Statistical machine translation and automatic speech recognition under uncertainty by Mathias, Lambert

    Published 01-01-2008
    “…Statistical modeling techniques have been applied successfully to natural language processing tasks such as automatic speech recognition (ASR) and statistical…”
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    Dissertation
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    UNIREX: A Unified Learning Framework for Language Model Rationale Extraction by Chan, Aaron, Sanjabi, Maziar, Mathias, Lambert, Tan, Liang, Nie, Shaoliang, Peng, Xiaochang, Ren, Xiang, Firooz, Hamed

    Published 16-12-2021
    “…An extractive rationale explains a language model's (LM's) prediction on a given task instance by highlighting the text inputs that most influenced the…”
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    Journal Article
  17. 17

    Pre-Training for Query Rewriting in A Spoken Language Understanding System by Chen, Zheng, Fan, Xing, Ling, Yuan, Mathias, Lambert, Guo, Chenlei

    Published 13-02-2020
    “…Query rewriting (QR) is an increasingly important technique to reduce customer friction caused by errors in a spoken language understanding pipeline, where the…”
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    Journal Article
  18. 18

    ToKen: Task Decomposition and Knowledge Infusion for Few-Shot Hate Speech Detection by AlKhamissi, Badr, Ladhak, Faisal, Iyer, Srini, Stoyanov, Ves, Kozareva, Zornitsa, Li, Xian, Fung, Pascale, Mathias, Lambert, Celikyilmaz, Asli, Diab, Mona

    Published 25-05-2022
    “…In Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing, pages 2109-2120, Abu Dhabi, United Arab Emirates. Association for…”
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    Journal Article
  19. 19

    Improving Long Distance Slot Carryover in Spoken Dialogue Systems by Chen, Tongfei, Naik, Chetan, He, Hua, Rastogi, Pushpendre, Mathias, Lambert

    Published 03-06-2019
    “…Tracking the state of the conversation is a central component in task-oriented spoken dialogue systems. One such approach for tracking the dialogue state is…”
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    Journal Article
  20. 20

    A dataset for resolving referring expressions in spoken dialogue via contextual query rewrites (CQR) by Regan, Michael, Rastogi, Pushpendre, Gupta, Arpit, Mathias, Lambert

    Published 28-03-2019
    “…We present Contextual Query Rewrite (CQR) a dataset for multi-domain task-oriented spoken dialogue systems that is an extension of the Stanford dialog corpus…”
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    Journal Article