English
Related papers

Related papers: A Study on Efficiency, Accuracy and Document Struc…

200 papers

Question Answering (QA) is a task in natural language processing that has seen considerable growth after the advent of transformers. There has been a surge in QA datasets that have been proposed to challenge natural language processing…

Computation and Language · Computer Science 2021-10-08 Kate Pearce , Tiffany Zhan , Aneesh Komanduri , Justin Zhan

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

The performance of Open-Domain Question Answering (ODQA) retrieval systems can exhibit sub-optimal behavior, providing text excerpts with varying degrees of irrelevance. Unfortunately, many existing ODQA datasets lack examples specifically…

Computation and Language · Computer Science 2024-03-05 Rustam Abdumalikov , Pasquale Minervini , Yova Kementchedjhieva

State-of-the-art models for multi-hop question answering typically augment large-scale language models like BERT with additional, intuitively useful capabilities such as named entity recognition, graph-based reasoning, and question…

Computation and Language · Computer Science 2020-04-16 Dirk Groeneveld , Tushar Khot , Mausam , Ashish Sabharwal

Current answer sentence selection (AS2) applied in open-domain question answering (ODQA) selects answers by ranking a large set of possible candidates, i.e., sentences, extracted from the retrieved text. In this paper, we present…

Computation and Language · Computer Science 2022-01-19 Zeyu Zhang , Thuy Vu , Alessandro Moschitti

We study the use of BERT for non-factoid question-answering, focusing on the passage re-ranking task under varying passage lengths. To this end, we explore the fine-tuning of BERT in different learning-to-rank setups, comprising both…

Information Retrieval · Computer Science 2019-08-20 Yosi Mass , Haggai Roitman , Shai Erera , Or Rivlin , Bar Weiner , David Konopnicki

In this paper, we present a new comparative study on automatic essay scoring (AES). The current state-of-the-art natural language processing (NLP) neural network architectures are used in this work to achieve above human-level accuracy on…

Computation and Language · Computer Science 2019-09-23 Pedro Uria Rodriguez , Amir Jafari , Christopher M. Ormerod

Reading comprehension models are based on recurrent neural networks that sequentially process the document tokens. As interest turns to answering more complex questions over longer documents, sequential reading of large portions of text…

Computation and Language · Computer Science 2018-09-11 Mor Geva , Jonathan Berant

BERT model has been successfully applied to open-domain QA tasks. However, previous work trains BERT by viewing passages corresponding to the same question as independent training instances, which may cause incomparable scores for answers…

Computation and Language · Computer Science 2019-10-03 Zhiguo Wang , Patrick Ng , Xiaofei Ma , Ramesh Nallapati , Bing Xiang

Domain adaptation or transfer learning using pre-trained language models such as BERT has proven to be an effective approach for many natural language processing tasks. In this work, we propose to formulate word sense disambiguation as a…

Computation and Language · Computer Science 2020-10-02 Boon Peng Yap , Andrew Koh , Eng Siong Chng

Prior research notes that BERT's computational cost grows quadratically with sequence length thus leading to longer training times, higher GPU memory constraints and carbon emissions. While recent work seeks to address these scalability…

Computation and Language · Computer Science 2020-11-02 Yatin Chaudhary , Pankaj Gupta , Khushbu Saxena , Vivek Kulkarni , Thomas Runkler , Hinrich Schütze

This project attempts to build a Question- Answering system in the News Domain, where Passages will be News articles, and anyone can ask a Question against it. We have built a span-based model using an Attention mechanism, where the model…

Computation and Language · Computer Science 2021-05-13 Sandipan Basu , Aravind Gaddala , Pooja Chetan , Garima Tiwari , Narayana Darapaneni , Sadwik Parvathaneni , Anwesh Reddy Paduri

Ranking has always been one of the top concerns in information retrieval research. For decades, lexical matching signal has dominated the ad-hoc retrieval process, but it also has inherent defects, such as the vocabulary mismatch problem.…

Information Retrieval · Computer Science 2020-10-21 Jingtao Zhan , Jiaxin Mao , Yiqun Liu , Min Zhang , Shaoping Ma

Question answering (QA) is an important aspect of open-domain conversational agents, garnering specific research focus in the conversational QA (ConvQA) subtask. One notable limitation of recent ConvQA efforts is the response being answer…

Computation and Language · Computer Science 2020-12-18 Ashutosh Baheti , Alan Ritter , Kevin Small

We propose a new method to measure the task-specific accuracy of Retrieval-Augmented Large Language Models (RAG). Evaluation is performed by scoring the RAG on an automatically-generated synthetic exam composed of multiple choice questions…

Computation and Language · Computer Science 2024-05-24 Gauthier Guinet , Behrooz Omidvar-Tehrani , Anoop Deoras , Laurent Callot

State-of-the-art neural models typically encode document-query pairs using cross-attention for re-ranking. To this end, models generally utilize an encoder-only (like BERT) paradigm or an encoder-decoder (like T5) approach. These paradigms,…

Computation and Language · Computer Science 2022-04-26 Kai Hui , Honglei Zhuang , Tao Chen , Zhen Qin , Jing Lu , Dara Bahri , Ji Ma , Jai Prakash Gupta , Cicero Nogueira dos Santos , Yi Tay , Don Metzler

Recent development of large-scale question answering (QA) datasets triggered a substantial amount of research into end-to-end neural architectures for QA. Increasingly complex systems have been conceived without comparison to simpler neural…

Computation and Language · Computer Science 2017-06-09 Dirk Weissenborn , Georg Wiese , Laura Seiffe

As one promising way to inquire about any particular information through a dialog with the bot, question answering dialog systems have gained increasing research interests recently. Designing interactive QA systems has always been a…

Computation and Language · Computer Science 2021-04-26 Munazza Zaib , Dai Hoang Tran , Subhash Sagar , Adnan Mahmood , Wei E. Zhang , Quan Z. Sheng

Pre-trained language models like BERT have achieved great success in a wide variety of NLP tasks, while the superior performance comes with high demand in computational resources, which hinders the application in low-latency IR systems. We…

Information Retrieval · Computer Science 2020-02-18 Wenhao Lu , Jian Jiao , Ruofei Zhang

The conventional paradigm in neural question answering (QA) for narrative content is limited to a two-stage process: first, relevant text passages are retrieved and, subsequently, a neural network for machine comprehension extracts the…

Computation and Language · Computer Science 2019-08-13 Bernhard Kratzwald , Anna Eigenmann , Stefan Feuerriegel