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We show that the task of question answering (QA) can significantly benefit from the transfer learning of models trained on a different large, fine-grained QA dataset. We achieve the state of the art in two well-studied QA datasets, WikiQA…

Computation and Language · Computer Science 2018-06-22 Sewon Min , Minjoon Seo , Hannaneh Hajishirzi

The task of Question Answering has gained prominence in the past few decades for testing the ability of machines to understand natural language. Large datasets for Machine Reading have led to the development of neural models that cater to…

Computation and Language · Computer Science 2018-06-20 Soumya Wadhwa , Khyathi Raghavi Chandu , Eric Nyberg

We present an automatic large language model (LLM) conversion approach that produces uncertainty-aware LLMs capable of estimating uncertainty with every prediction. Our approach is model- and data-agnostic, is computationally-efficient, and…

While transformers demonstrate impressive performance on many knowledge intensive (KI) tasks, their ability to serve as implicit knowledge bases (KBs) remains limited, as shown on several slot-filling, question-answering (QA), fact…

Computation and Language · Computer Science 2022-03-21 Nic Jedema , Thuy Vu , Manish Gupta , Alessandro Moschitti

Current textual question answering models achieve strong performance on in-domain test sets, but often do so by fitting surface-level patterns in the data, so they fail to generalize to out-of-distribution settings. To make a more robust…

Computation and Language · Computer Science 2021-04-21 Jifan Chen , Greg Durrett

Question answering(QA) is one of the most challenging yet widely investigated problems in Natural Language Processing (NLP). Question-answering (QA) systems try to produce answers for given questions. These answers can be generated from…

Computation and Language · Computer Science 2025-08-06 Kholoud Alsubhi , Amani Jamal , Areej Alhothali

Having an intelligent dialogue agent that can engage in conversational question answering (ConvQA) is now no longer limited to Sci-Fi movies only and has, in fact, turned into a reality. These intelligent agents are required to understand…

Computation and Language · Computer Science 2023-04-17 Munazza Zaib , Quan Z. Sheng , Wei Emma Zhang , Adnan Mahmood

In this work we propose for the first time a transformer-based framework for unsupervised representation learning of multivariate time series. Pre-trained models can be potentially used for downstream tasks such as regression and…

Machine Learning · Computer Science 2020-12-10 George Zerveas , Srideepika Jayaraman , Dhaval Patel , Anuradha Bhamidipaty , Carsten Eickhoff

Bidirectional Encoder Representations from Transformers (BERT) reach state-of-the-art results in a variety of Natural Language Processing tasks. However, understanding of their internal functioning is still insufficient and unsatisfactory.…

Computation and Language · Computer Science 2019-09-12 Betty van Aken , Benjamin Winter , Alexander Löser , Felix A. Gers

Transformer-based architectures have recently demonstrated remarkable performance in the Visual Question Answering (VQA) task. However, such models are likely to disregard crucial visual cues and often rely on multimodal shortcuts and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Maria Parelli , Dimitrios Mallis , Markos Diomataris , Vassilis Pitsikalis

Transformer based architectures are recently used for the task of answering questions over tables. In order to improve the accuracy on this task, specialized pre-training techniques have been developed and applied on millions of open-domain…

To build robust question answering systems, we need the ability to verify whether answers to questions are truly correct, not just "good enough" in the context of imperfect QA datasets. We explore the use of natural language inference (NLI)…

Computation and Language · Computer Science 2021-09-14 Jifan Chen , Eunsol Choi , Greg Durrett

Extractive reading comprehension systems can often locate the correct answer to a question in a context document, but they also tend to make unreliable guesses on questions for which the correct answer is not stated in the context. Existing…

Computation and Language · Computer Science 2018-06-12 Pranav Rajpurkar , Robin Jia , Percy Liang

Multiple-choice question answering (MCQA) is a key competence of performant transformer language models that is tested by mainstream benchmarks. However, recent evidence shows that models can have quite a range of performance, particularly…

Computation and Language · Computer Science 2025-03-11 Sarah Wiegreffe , Oyvind Tafjord , Yonatan Belinkov , Hannaneh Hajishirzi , Ashish Sabharwal

We present a highly parameter efficient approach for Question Answering that significantly reduces the need for extended BERT fine-tuning. Our method uses information from the hidden state activations of each BERT transformer layer, which…

Computation and Language · Computer Science 2022-02-25 Siduo Jiang , Cristopher Benge , William Casey King

Transformer-based models generate hidden states that are difficult to interpret. In this work, we analyze hidden states and modify them at inference, with a focus on motion forecasting. We use linear probing to analyze whether interpretable…

Machine Learning · Computer Science 2025-05-19 Omer Sahin Tas , Royden Wagner

Obtaining training data for Question Answering (QA) is time-consuming and resource-intensive, and existing QA datasets are only available for limited domains and languages. In this work, we explore to what extent high quality training data…

Computation and Language · Computer Science 2020-05-05 Patrick Lewis , Ludovic Denoyer , Sebastian Riedel

Coherence is an important aspect of text quality and is crucial for ensuring its readability. It is essential desirable for outputs from text generation systems like summarization, question answering, machine translation, question…

Computation and Language · Computer Science 2022-02-24 Tushar Abhishek , Daksh Rawat , Manish Gupta , Vasudeva Varma

The latest work for Question and Answer problems is to use the Stanford Parse Tree. We build on prior work and develop a new method to handle the Question and Answer problem with the Deep Contextualized Transformer to manage some aberrant…

Computation and Language · Computer Science 2024-06-12 Haozheng Luo , Ningwei Liu , Charles Feng

Standard accuracy metrics indicate that reading comprehension systems are making rapid progress, but the extent to which these systems truly understand language remains unclear. To reward systems with real language understanding abilities,…

Computation and Language · Computer Science 2017-07-25 Robin Jia , Percy Liang