Taiwan

IJCNLP-AACL 2022

Integration of Named Entity Recognition and Sentence Segmentation on Ancient Chinese based on Siku-BERT

ancient chinese

sentence segmentation

named entity recognition

bert

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The AACL, Asia-Pacific Chapter of the Association for Computational Linguistics, and the AFNLP, Asian Federation of Natural Language Processing, invite you to participate in the 1st Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics (AACL) and the 10th International Joint Conference on Natural Language Processing (IJCNLP). 

Emotional Intensity Estimation based on Writer's Personality

Automation of dialogue system evaluation is a driving force for the efficient development of dialogue systems. This paper introduces the bipartite-play method, a dialogue collection method for automating dialogue system evaluation. It addresses the limitations of existing dialogue collection methods: (i) inability to compare with systems that are not publicly available, and (ii) vulnerability to cheating by intentionally selecting systems to be compared. Experimental results show that the automatic evaluation using the bipartite-play method mitigates these two drawbacks and correlates as strongly with human subjectivity as existing methods.

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.2/)


Bipartite-play Dialogue Collection for Practical Automatic Evaluation of Dialogue Systems

The ability to capture temporal commonsense relationships for time-related events expressed in text is a very important task in natural language understanding. However, pre-trained language models such as BERT, which have recently achieved great success in a wide range of natural language processing tasks, are still considered to have poor performance in temporal reasoning. In this paper, we focus on the development of language models for temporal commonsense inference over several pre-trained language models. Our model relies on multi-step fine-tuning using multiple corpora and masked language modeling to predict masked temporal indicators that are crucial for temporal commonsense reasoning. We also experimented with multi-task learning and build a language model that can improve performance on multiple time-related tasks. In our experiments, multi-step fine-tuning using the general commonsense knowledge task as an auxiliary task produced the best results. We obtained a significant improvement in accuracy over standard fine-tuning in the temporal commonsense inference task and on other time-related tasks.

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.3/)


Toward Building a Language Model for Understanding Temporal Commonsense

In dialogue systems, one option for creating a better dialogue experience for the user is to have a human operator take over the dialogue when the system runs into trouble communicating with the user. In this type of handover situation (we call it intervention), it is useful for the operator to have access to the dialogue summary. However, it is not clear exactly what type of summary would be the most useful for a smooth handover. In this study, we investigated the optimal type of summary through experiments in which interlocutors were presented with various summary types during interventions in order to examine their effects. Our findings showed that the best summaries were an abstractive summary plus one utterance immediately before the handover and an extractive summary consisting of five utterances immediately before the handover. From the viewpoint of computational cost, we recommend that extractive summaries consisting of the last five utterances be used.

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.4/)


Optimal Summaries for Enabling a Smooth Handover in Chat-Oriented Dialogue

The exponential surge of social media has enabled information propagation at an unprecedented rate. However, it also led to the generation of a vast amount of malign content, such as hateful memes. To eradicate the detrimental impact of this content, over the last few years hateful memes detection problem has grabbed the attention of researchers. However, most past studies were conducted primarily for English memes, while memes on resource-constraint languages (i.e., Bengali)
remain under-studied. Moreover, current research considers memes with a caption written in monolingual (either English or Bengali) form. However, memes might have code-mixed captions (English+Bangla), and the existing models can not provide accurate inference in such cases. Therefore, to facilitate research in this arena, this paper introduces a multimodal hate speech dataset (named MUTE) consisting of 4158 memes having Bengali and code-mixed captions. A detailed annotation guideline is provided to aid the dataset creation in other resource-constraint languages. Additionally, extensive experiments have been carried out on MUTE, considering the only visual, only textual, and both modalities. The result demonstrates that joint evaluation of visual and textual features significantly improves (≈ 3%) the hateful memes classification compared to the unimodal evaluation.

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.5/)


MUTE: A Multimodal Dataset for Detecting Hateful Memes

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.6/)


A Simple and Fast Strategy for Handling Rare Words in Neural Machine Translation

Writing computer programs is a skill that remains inaccessible to most due to the barrier of programming language (PL) syntax. While large language models (LLMs) have been proposed to translate natural language pseudocode to PL code, they are costly in terms of data and compute. We propose a lightweight alternative to LLMs that exploits the property of code wherein most tokens can be simply copied from the pseudocode. We divide the problem into three phases: Copy, Generate, and Combine. In the Copy Phase, a binary classifier is employed to determine and mask the pseudocode tokens that can be directly copied into the code. In the Generate Phase, a Sequence-to-Sequence model is used to generate the masked PL code equivalent. In the Combine Phase, the generated sequence is combined with the tokens that the Copy Phase had masked. We show that our C3PO models achieve similar performance to non-C3PO models while reducing the computational cost of training as well as the vocabulary sizes.

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.7/)

{C3PO}: {A} Lightweight Copying Mechanism for Translating Pseudocode to Code

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.8/)

Outlier-Aware Training for Improving Group Accuracy Disparities

Multi-document summarization (MDS) is a process of generating an informative and con- cise summary from multiple topic-related doc- uments. Many studies have analyzed the qual- ity of MDS dataset or models, however no work has been done from the perspective of topic preservation. In this work, we fill the gap by performing an empirical analysis on two MDS datasets and study topic preservation on generated summaries from 8 MDS mod- els. Our key findings include i) Multi-News dataset has better gold summaries compared to Multi-XScience in terms of its topic distribu- tion consistency and ii) Extractive approaches perform better than abstractive approaches in preserving topic information from source doc- uments. We hope our findings could help de- velop a summarization model that can generate topic-focused summary and also give inspira- tion to researchers in creating dataset for such challenging task.

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.9/)


An Empirical Study on Topic Preservation in Multi-Document Summarization

Access to mobile phones in many low- and middle-income countries has increased exponentially over the last 20 years, providing an opportunity to connect patients with healthcare interventions through mobile phones (known as mobile health). A barrier to large-scale implementation of interactive mobile health interventions is the human effort needed to manage participant messages. In this study, we explore the use of natural language processing to improve healthcare workers’ management of messages from pregnant and postpartum women in Kenya. Using multilingual, low-resource language text messages from the Mobile solutions for Women and Children’s health (Mobile WACh NEO) study, we developed models to assess urgency of incoming messages. We evaluated models using a novel approach that focuses on clinical usefulness in either triaging or prioritizing messages. Our best-performing models did not reach the threshold for clinical usefulness we set, but have the potential to improve nurse workflow and responsiveness to urgent messages.

To view the proceedings, please [click here](https://aclanthology.org/2022.aacl-srw.10/)

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