1 code implementation • LREC 2022 • Yuanhe Tian, Han Qin, Fei Xia, Yan Song
Chinese word segmentation (CWS) and named entity recognition (NER) are two important tasks in Chinese natural language processing.
1 code implementation • LREC 2022 • Han Qin, Yuanhe Tian, Yan Song
Relation extraction (RE) is a sub-field of information extraction, which aims to extract the relation between two given named entities (NEs) in a sentence and thus requires a good understanding of contextual information, especially the entities and their surrounding texts.
1 code implementation • LREC 2022 • Yuanhe Tian, Han Qin, Fei Xia, Yan Song
To achieve a better performance in SRL, a model is always required to have a good understanding of the context information.
Ranked #2 on Semantic Role Labeling on CoNLL 2005
1 code implementation • LREC 2022 • Han Qin, Yuanhe Tian, Fei Xia, Yan Song
Aspect-based sentiment analysis (ABSA) aims to predict the sentiment polarity towards a given aspect term in a sentence on the fine-grained level, which usually requires a good understanding of contextual information, especially appropriately distinguishing of a given aspect and its contexts, to achieve good performance.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +1
no code implementations • EMNLP 2021 • Han Qin, Yuanhe Tian, Yan Song
Most recent studies for relation extraction (RE) leverage the dependency tree of the input sentence to incorporate syntax-driven contextual information to improve model performance, with little attention paid to the limitation where high-quality dependency parsers in most cases unavailable, especially for in-domain scenarios.
1 code implementation • COLING 2022 • Yuanhe Tian, Yan Song, Fei Xia
Dependency parsing is an important fundamental natural language processing task which analyzes the syntactic structure of an input sentence by illustrating the syntactic relations between words.
Ranked #2 on Dependency Parsing on Penn Treebank
1 code implementation • Findings (ACL) 2022 • Yuanhe Tian, Yan Song, Fei Xia
Relation extraction (RE) is an important natural language processing task that predicts the relation between two given entities, where a good understanding of the contextual information is essential to achieve an outstanding model performance.
Ranked #11 on Relation Extraction on SemEval-2010 Task-8
no code implementations • EMNLP 2021 • Han Qin, Guimin Chen, Yuanhe Tian, Yan Song
Aspect-based sentiment analysis (ABSA) predicts the sentiment polarity towards a particular aspect term in a sentence, which is an important task in real-world applications.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2
1 code implementation • NAACL (BioNLP) 2021 • Yang Liu, Yuanhe Tian, Tsung-Hui Chang, Song Wu, Xiang Wan, Yan Song
Chinese word segmentation (CWS) and medical concept recognition are two fundamental tasks to process Chinese electronic medical records (EMRs) and play important roles in downstream tasks for understanding Chinese EMRs.
no code implementations • 7 Dec 2023 • Ruyi Gan, XiaoJun Wu, Junyu Lu, Yuanhe Tian, Dixiang Zhang, Ziwei Wu, Renliang Sun, Chang Liu, Jiaxing Zhang, Pingjian Zhang, Yan Song
However, there are few specialized models in certain domains, such as interior design, which is attributed to the complex textual descriptions and detailed visual elements inherent in design, alongside the necessity for adaptable resolution.
1 code implementation • 23 Nov 2023 • Chang Liu, Yuanhe Tian, Yan Song
Specifically, we firstly cover pivotal RRG approaches based on the task-specific features of radiographs, reports, and the cross-modal relations between them, and then illustrate the benchmark datasets conventionally used for this task with evaluation metrics, subsequently analyze the performance of different approaches and finally offer our summary on the challenges and the trends in future directions.
no code implementations • 14 Nov 2023 • Ting Wang, Weidong Chen, Yuanhe Tian, Yan Song, Zhendong Mao
Having the difficulty of solving the semantic gap between images and texts for the image captioning task, conventional studies in this area paid some attention to treating semantic concepts as a bridge between the two modalities and improved captioning performance accordingly.
1 code implementation • 10 Nov 2023 • Yuanhe Tian, Ruyi Gan, Yan Song, Jiaxing Zhang, Yongdong Zhang
Recently, the increasing demand for superior medical services has highlighted the discrepancies in the medical infrastructure.
no code implementations • 6 Nov 2023 • Ruyi Gan, Ziwei Wu, Renliang Sun, Junyu Lu, XiaoJun Wu, Dixiang Zhang, Kunhao Pan, Junqing He, Yuanhe Tian, Ping Yang, Qi Yang, Hao Wang, Jiaxing Zhang, Yan Song
Although many such issues are addressed along the line of research on LLMs, an important yet practical limitation is that many studies overly pursue enlarging model sizes without comprehensively analyzing and optimizing the use of pre-training data in their learning process, as well as appropriate organization and leveraging of such data in training LLMs under cost-effective settings.
1 code implementation • ACL 2021 • Han Qin, Guimin Chen, Yuanhe Tian, Yan Song
Arabic diacritization is a fundamental task for Arabic language processing.
1 code implementation • ACL 2021 • Yuanhe Tian, Guimin Chen, Yan Song, Xiang Wan
Syntactic information, especially dependency trees, has been widely used by existing studies to improve relation extraction with better semantic guidance for analyzing the context information associated with the given entities.
Ranked #12 on Relation Extraction on SemEval-2010 Task-8
2 code implementations • NAACL 2021 • Yuanhe Tian, Guimin Chen, Yan Song
It is popular that neural graph-based models are applied in existing aspect-based sentiment analysis (ABSA) studies for utilizing word relations through dependency parses to facilitate the task with better semantic guidance for analyzing context and aspect words.
Ranked #3 on Aspect-Based Sentiment Analysis (ABSA) on MAMS
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA)
1 code implementation • EACL 2021 • Yuanhe Tian, Guimin Chen, Yan Song
Aspect-level sentiment analysis (ASA) has received much attention in recent years.
1 code implementation • COLING 2020 • Yan Song, Yuanhe Tian, Nan Wang, Fei Xia
For the particular dataset used in this study, we show that high-quality summaries can be generated by extracting two types of utterances, namely, problem statements and treatment recommendations.
1 code implementation • COLING 2020 • Guimin Chen, Yuanhe Tian, Yan Song
End-to-end aspect-based sentiment analysis (EASA) consists of two sub-tasks: the first extracts the aspect terms in a sentence and the second predicts the sentiment polarities for such terms.
1 code implementation • COLING 2020 • Yuanhe Tian, Yan Song, Fei Xia
However, their work on modeling such contextual features is limited to concatenating the features or their embeddings directly with the input embeddings without distinguishing whether the contextual features are important for the joint task in the specific context.
1 code implementation • BMC Bioinformatics 2020 • Yuanhe Tian, Wang Shen, Yan Song, Fei Xia, Min He, Kenli Li
The experimental results on six English benchmark datasets demonstrate that auto-processed syntactic information can be a useful resource for BioNER and our method with KVMN can appropriately leverage such information to improve model performance.
Ranked #1 on Named Entity Recognition (NER) on Species-800
1 code implementation • EMNLP 2020 • Yuyang Nie, Yuanhe Tian, Xiang Wan, Yan Song, Bo Dai
In particular, we obtain the augmented semantic information from a large-scale corpus, and propose an attentive semantic augmentation module and a gate module to encode and aggregate such information, respectively.
Ranked #4 on Named Entity Recognition (NER) on WNUT 2016
Chinese Named Entity Recognition named-entity-recognition +3
1 code implementation • Findings of the Association for Computational Linguistics 2020 • Yuyang Nie, Yuanhe Tian, Yan Song, Xiang Ao, Xiang Wan
Named entity recognition (NER) is highly sensitive to sentential syntactic and semantic properties where entities may be extracted according to how they are used and placed in the running text.
Ranked #3 on Named Entity Recognition (NER) on WNUT 2016
Chinese Named Entity Recognition named-entity-recognition +2
1 code implementation • Findings of the Association for Computational Linguistics 2020 • Yuanhe Tian, Yan Song, Fei Xia, Tong Zhang
Constituency parsing is a fundamental and important task for natural language understanding, where a good representation of contextual information can help this task.
Ranked #1 on Constituency Parsing on ATB
1 code implementation • EMNLP 2020 • Yuanhe Tian, Yan Song, Fei Xia
Specifically, we build the graph from chunks (n-grams) extracted from a lexicon and apply attention over the graph, so that different word pairs from the contexts within and across chunks are weighted in the model and facilitate the supertagging accordingly.
Ranked #2 on CCG Supertagging on CCGbank
1 code implementation • ACL 2020 • Yuanhe Tian, Yan Song, Xiang Ao, Fei Xia, Xiaojun Quan, Tong Zhang, Yonggang Wang
Chinese word segmentation (CWS) and part-of-speech (POS) tagging are important fundamental tasks for Chinese language processing, where joint learning of them is an effective one-step solution for both tasks.
1 code implementation • ACL 2020 • Yuanhe Tian, Yan Song, Fei Xia, Tong Zhang, Yonggang Wang
Contextual features always play an important role in Chinese word segmentation (CWS).
Ranked #1 on Chinese Word Segmentation on CITYU
1 code implementation • WS 2019 • Yuanhe Tian, Weicheng Ma, Fei Xia, Yan Song
Question answering (QA) is a challenging task in natural language processing (NLP), especially when it is applied to specific domains.
1 code implementation • WS 2019 • Zhaofeng Wu, Yan Song, Sicong Huang, Yuanhe Tian, Fei Xia
Natural language inference (NLI) is challenging, especially when it is applied to technical domains such as biomedical settings.