Search Results for author: Zhengxiang Shi

Found 10 papers, 10 papers with code

Lexical Entrainment for Conversational Systems

1 code implementation14 Oct 2023 Zhengxiang Shi, Procheta Sen, Aldo Lipani

To address this, we propose a new dataset, named MULTIWOZ-ENTR, and a measure for LE for conversational systems.

Response Generation

DePT: Decomposed Prompt Tuning for Parameter-Efficient Fine-tuning

2 code implementations11 Sep 2023 Zhengxiang Shi, Aldo Lipani

Prompt tuning (PT), where a small amount of trainable soft (continuous) prompt vectors is affixed to the input of language models (LM), has shown promising results across various tasks and models for parameter-efficient fine-tuning (PEFT).

Few-Shot Learning Transfer Learning

Rethink the Effectiveness of Text Data Augmentation: An Empirical Analysis

1 code implementation13 Jun 2023 Zhengxiang Shi, Aldo Lipani

In recent years, language models (LMs) have made remarkable progress in advancing the field of natural language processing (NLP).

Data Augmentation Few-Shot Learning +1

Self Contrastive Learning for Session-based Recommendation

1 code implementation2 Jun 2023 Zhengxiang Shi, Xi Wang, Aldo Lipani

Session-based recommendation, which aims to predict the next item of users' interest as per an existing sequence interaction of items, has attracted growing applications of Contrastive Learning (CL) with improved user and item representations.

Contrastive Learning Data Augmentation +1

Rethinking Semi-supervised Learning with Language Models

2 code implementations22 May 2023 Zhengxiang Shi, Francesco Tonolini, Nikolaos Aletras, Emine Yilmaz, Gabriella Kazai, Yunlong Jiao

Semi-supervised learning (SSL) is a popular setting aiming to effectively utilize unlabelled data to improve model performance in downstream natural language processing (NLP) tasks.

Pseudo Label Semi-Supervised Text Classification +1

Don't Stop Pretraining? Make Prompt-based Fine-tuning Powerful Learner

2 code implementations2 May 2023 Zhengxiang Shi, Aldo Lipani

Language models (LMs) trained on vast quantities of unlabelled data have greatly advanced the field of natural language processing (NLP).

Sentence Unsupervised Pre-training

Attention-based Ingredient Phrase Parser

1 code implementation5 Oct 2022 Zhengxiang Shi, Pin Ni, MeiHui Wang, To Eun Kim, Aldo Lipani

As virtual personal assistants have now penetrated the consumer market, with products such as Siri and Alexa, the research community has produced several works on task-oriented dialogue tasks such as hotel booking, restaurant booking, and movie recommendation.

Movie Recommendation

Learning to Execute Actions or Ask Clarification Questions

1 code implementation Findings (NAACL) 2022 Zhengxiang Shi, Yue Feng, Aldo Lipani

In this paper, we extend the Minecraft Corpus Dataset by annotating all builder utterances into eight types, including clarification questions, and propose a new builder agent model capable of determining when to ask or execute instructions.

Learning to Execute

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