1 code implementation • 14 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.
2 code implementations • 11 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).
1 code implementation • 13 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).
1 code implementation • 2 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.
2 code implementations • 22 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.
1 code implementation • 9 May 2023 • Zhengxiang Shi, Jerome Ramos, To Eun Kim, Xi Wang, Hossein A. Rahmani, Aldo Lipani
We move towards this target with two sub-tasks, a classification task and a ranking task.
2 code implementations • 2 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).
1 code implementation • 5 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.
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.
1 code implementation • Association for the Advancement of Artificial Intelligence (AAAI) 2022 • Zhengxiang Shi, Qiang Zhang, Aldo Lipani
Our experiments demonstrate that state-of-the-art models on the bAbI dataset struggle on the StepGame dataset.
Ranked #1 on Question Answering on StepGame