Related Papers
CommonGen: A Constrained Text Generation Challenge for Generative Commonsense Reasoning
AbstractRecently, large-scale pre-trained language models have demonstrated impressive performance on several commonsense-reasoning benchmark datasets. However, building machines with commonsense to compose realistically plausible sentences remains challenging. In this paper, we …...
Converting the Point of View of Messages Spoken to Virtual Assistants
AbstractVirtual Assistants can be quite literal at times. If the user says “tell Bob I love him,” most virtual assistants will extract the message “I love him” and send it …...
Flight of the PEGASUS? Comparing Transformers on Few-shot and Zero-shot Multi-document Abstractive Summarization
AbstractRecent work has shown that pre-trained Transformers obtain remarkable performance on many natural language processing tasks including automatic summarization. However, most work has focused on (relatively) data-rich single-document summarization settings. …...
Learning from Task Descriptions
AbstractTypically, machine learning systems solve new tasks by training on thousands of examples. In contrast, humans can solve new tasks by reading some instructions, with perhaps an example or two. …...
Lite Training Strategies for Portuguese-English and English-Portuguese Translation
AbstractDespite the widespread adoption of deep learning for machine translation, it is still expensive to develop high-quality translation models. In this work, we investigate the use of pre-trained models, such …...
Improving Sequence-to-Sequence Pre-training via Sequence Span Rewriting
AbstractIn this paper, we propose Sequence Span Rewriting (SSR), a self-supervised task for sequence-to-sequence (Seq2Seq) pre-training. SSR learns to refine the machine-generated imperfect text spans into ground truth text. SSR …...
Learning to Generate Questions by Learning to Recover Answer-containing Sentences
To train a question answering model based on machine reading comprehension (MRC), sig- nificant effort is required to prepare annotated training data composed of questions and their answers from contexts. …...
Perhaps PTLMs Should Go to School – A Task to Assess Open Book and Closed Book QA
AbstractOur goal is to deliver a new task and leaderboard to stimulate research on question answering and pre-trained language models (PTLMs) to understand a significant instructional document, e.g., an introductory …...
Syntax-BERT: Improving Pre-trained Transformers with Syntax Trees
AbstractPre-trained language models like BERT achieve superior performances in various NLP tasks without explicit consideration of syntactic information. Meanwhile, syntactic information has been proved to be crucial for the success …...
Topic Transferable Table Question Answering
AbstractWeakly-supervised table question-answering (TableQA) models have achieved state-of-art performance by using pre-trained BERT transformer to jointly encoding a question and a table to produce structured query for the question. However, …...
TuringAdvice: A Generative and Dynamic Evaluation of Language Use
AbstractWe propose TuringAdvice, a new challenge task and dataset for language understanding models. Given a written situation that a real person is currently facing, a model must generate helpful advice …...
AraT5: Text-to-Text Transformers for Arabic Language Generation
AbstractTransfer learning with a unified Transformer framework (T5) that converts all language problems into a text-to-text format was recently proposed as a simple and effective transfer learning approach. Although a …...
BioReader: a Retrieval-Enhanced Text-to-Text Transformer for Biomedical Literature
AbstractThe latest batch of research has equipped language models with the ability to attend over relevant and factual information from non-parametric external sources, drawing a complementary path to architectural scaling. …...
Breakpoint Transformers for Modeling and Tracking Intermediate Beliefs
AbstractCan we teach models designed for language understanding tasks to track and improve their beliefs through intermediate points in text? Besides making their inner workings more transparent, this would also …...
Coloring the Blank Slate: Pre-training Imparts a Hierarchical Inductive Bias to Sequence-to-sequence Models
AbstractRelations between words are governed by hierarchical structure rather than linear ordering. Sequence-to-sequence (seq2seq) models, despite their success in downstream NLP applications, often fail to generalize in a hierarchy-sensitive manner …...
Coordination Generation via Synchronized Text-Infilling
AbstractGenerating synthetic data for supervised learning from large-scale pre-trained language models has enhanced performances across several NLP tasks, especially in low-resource scenarios. In particular, many studies of data augmentation employ …...
ED2LM: Encoder-Decoder to Language Model for Faster Document Re-ranking Inference
AbstractState-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, …...
Enhance Incomplete Utterance Restoration by Joint Learning Token Extraction and Text Generation
AbstractThis paper introduces a model for incomplete utterance restoration (IUR) called JET (Joint learning token Extraction and Text generation). Different from prior studies that only work on extraction or abstraction …...
Generating Repetitions with Appropriate Repeated Words
AbstractA repetition is a response that repeats words in the previous speaker’s utterance in a dialogue. Repetitions are essential in communication to build trust with others, as investigated in linguistic …...
Generating Textual Explanations for Machine Learning Models Performance: A Table-to-Text Task
AbstractNumerical tables are widely employed to communicate or report the classification performance of machine learning (ML) models with respect to a set of evaluation metrics. For non-experts, domain knowledge is …...
Grammatical Error Correction: Are We There Yet?
AbstractThere has been much recent progress in natural language processing, and grammatical error correction (GEC) is no exception. We found that state-of-the-art GEC systems (T5 and GECToR) outperform humans by …...
How Large Language Models are Transforming Machine-Paraphrase Plagiarism
AbstractThe recent success of large language models for text generation poses a severe threat to academic integrity, as plagiarists can generate realistic paraphrases indistinguishable from original work. However, the role …...
Improving Compositional Generalization with Latent Structure and Data Augmentation
AbstractGeneric unstructured neural networks have been shown to struggle on out-of-distribution compositional generalization. Compositional data augmentation via example recombination has transferred some prior knowledge about compositionality to such black-box neural …...
Japanese Named Entity Recognition from Automatic Speech Recognition Using Pre-trained Models
Japanese named entities extracted from auto- matic speech recognition frequently contain speech recognition errors and unknown named entities due to abbreviations and aliases. One possible solution to this problem of …...
Label Semantic Aware Pre-training for Few-shot Text Classification
AbstractIn text classification tasks, useful information is encoded in the label names. Label semantic aware systems have leveraged this information for improved text classification performance during fine-tuning and prediction. However, …...
Leveraging Affirmative Interpretations from Negation Improves Natural Language Understanding
AbstractNegation poses a challenge in many natural language understanding tasks. Inspired by the fact that understanding a negated statement often requires humans to infer affirmative interpretations, in this paper we …...
Life after BERT: What do Other Muppets Understand about Language?
AbstractExisting pre-trained transformer analysis works usually focus only on one or two model families at a time, overlooking the variability of the architecture and pre-training objectives. In our work, we …...
Parameter-Efficient Mixture-of-Experts Architecture for Pre-trained Language Models
AbstractRecently, Mixture-of-Experts (short as MoE) architecture has achieved remarkable success in increasing the model capacity of large-scale language models. However, MoE requires incorporating significantly more parameters than the base model …...
RobustLR: A Diagnostic Benchmark for Evaluating Logical Robustness of Deductive Reasoners
AbstractTransformers have been shown to be able to perform deductive reasoning on inputs containing rules and statements written in the English natural language. However, it is unclear if these models …...
Self-supervised Graph Masking Pre-training for Graph-to-Text Generation
AbstractLarge-scale pre-trained language models (PLMs) have advanced Graph-to-Text (G2T) generation by processing the linearised version of a graph. However, the linearisation is known to ignore the structural information. Additionally, PLMs …...
Sentence-T5: Scalable Sentence Encoders from Pre-trained Text-to-Text Models
AbstractWe provide the first exploration of sentence embeddings from text-to-text transformers (T5) including the effects of scaling up sentence encoders to 11B parameters. Sentence embeddings are broadly useful for language …...
Sharpness-Aware Minimization Improves Language Model Generalization
AbstractThe allure of superhuman-level capabilities has led to considerable interest in language models like GPT-3 and T5, wherein the research has, by and large, revolved around new model architectures, training …...
SpeechT5: Unified-Modal Encoder-Decoder Pre-Training for Spoken Language Processing
AbstractMotivated by the success of T5 (Text-To-Text Transfer Transformer) in pre-trained natural language processing models, we propose a unified-modal SpeechT5 framework that explores the encoder-decoder pre-training for self-supervised speech/text representation …...
TaCube: Pre-computing Data Cubes for Answering Numerical-Reasoning Questions over Tabular Data
AbstractExisting auto-regressive pre-trained language models (PLMs) like T5 and BART, have been well applied to table question answering by UNIFIEDSKG and TAPEX, respectively, and demonstrated state-of-the-art results on multiple benchmarks. …...
TruthfulQA: Measuring How Models Mimic Human Falsehoods
AbstractWe propose a benchmark to measure whether a language model is truthful in generating answers to questions. The benchmark comprises 817 questions that span 38 categories, including health, law, finance …...
UnifiedSKG: Unifying and Multi-Tasking Structured Knowledge Grounding with Text-to-Text Language Models
AbstractStructured knowledge grounding (SKG) leverages structured knowledge to complete user requests, such as semantic parsing over databases and question answering over knowledge bases. Since the inputs and outputs of SKG …...
Using Commonsense Knowledge to Answer Why-Questions
AbstractAnswering questions in narratives about why events happened often requires commonsense knowledge external to the text. What aspects of this knowledge are available in large language models? What aspects can …...
Your Answer is Incorrect... Would you like to know why? Introducing a Bilingual Short Answer Feedback Dataset
AbstractHanding in a paper or exercise and merely receiving “bad” or “incorrect” as feedback is not very helpful when the goal is to improve. Unfortunately, this is currently the kind …...
“John is 50 years old, can his son be 65?” Evaluating NLP Models’ Understanding of Feasibility
AbstractIn current NLP research, large-scale language models and their abilities are widely being discussed. Some recent works have also found notable failures of these models. Often these failure examples involve …...
Are Human Explanations Always Helpful? Towards Objective Evaluation of Human Natural Language Explanations
AbstractHuman-annotated labels and explanations are critical for training explainable NLP models. However, unlike human-annotated labels whose quality is easier to calibrate (e.g., with a majority vote), human-crafted free-form explanations can …...
CALM-Bench: A Multi-task Benchmark for Evaluating Causality-Aware Language Models
AbstractCausal reasoning is a critical component of human cognition and is required across a range of question-answering (QA) tasks (such as abductive reasoning, commonsense QA, and procedural reasoning). Research on …...
CHARD: Clinical Health-Aware Reasoning Across Dimensions for Text Generation Models
AbstractWe motivate and introduce CHARD: Clinical Health-Aware Reasoning across Dimensions, to investigate the capability of text generation models to act as implicit clinical knowledge bases and generate free-flow textual explanations …...
Exploring Large Language Models for Classical Philology
AbstractRecent advances in NLP have led to the creation of powerful language models for many languages including Ancient Greek and Latin. While prior work on Classical languages unanimously uses BERT, …...
Gallagher at SemEval-2023 Task 5: Tackling Clickbait with Seq2Seq Models
AbstractThis paper presents the systems and approaches of the Gallagher team for the SemEval-2023 Task 5: Clickbait Spoiling. We propose a method to classify the type of spoiler (phrase, passage, …...
Learning to Imagine: Visually-Augmented Natural Language Generation
AbstractPeople often imagine relevant scenes to aid in the writing process. In this work, we aim to utilize visual information for composition in the same manner as humans. We propose …...
Model-Generated Pretraining Signals Improves Zero-Shot Generalization of Text-to-Text Transformers
AbstractThis paper explores the effectiveness of model-generated signals in improving zero-shot generalization of text-to-text Transformers such as T5. We study various designs to pretrain T5 using an auxiliary model to …...
Spelling convention sensitivity in neural language models
AbstractWe examine whether large neural language models, trained on very large collections of varied English text, learn the potentially long-distance dependency of British versus American spelling conventions, i.e., whether spelling …...
THiFLY Research at SemEval-2023 Task 7: A Multi-granularity System for CTR-based Textual Entailment and Evidence Retrieval
AbstractThe NLI4CT task aims to entail hypotheses based on Clinical Trial Reports (CTRs) and retrieve the corresponding evidence supporting the justification. This task poses a significant challenge, as verifying hypotheses …...
Towards Zero-Shot Multilingual Transfer for Code-Switched Responses
AbstractRecent task-oriented dialog systems have had great success in building English-based personal assistants, but extending these systems to a global audience is challenging due to the need for annotated data …...
Visually-augmented pretrained language models for NLP tasks without images
AbstractAlthough pre-trained language models (PLMs) have shown impressive performance by text-only self-supervised training, they are found lack of visual semantics or commonsense. Existing solutions often rely on explicit images for …...