Search Results for author: Shengfeng Pan

Found 8 papers, 4 papers with code

Rank-Aware Negative Training for Semi-Supervised Text Classification

1 code implementation13 Jun 2023 Ahmed Murtadha, Shengfeng Pan, Wen Bo, Jianlin Su, Xinxin Cao, Wenze Zhang, Yunfeng Liu

To alleviate the noisy information, we adapt a reasoning with uncertainty-based approach to rank the unlabeled texts based on the evidential support received from the labeled texts.

Semi-Supervised Text Classification text-classification

ZLPR: A Novel Loss for Multi-label Classification

no code implementations5 Aug 2022 Jianlin Su, Mingren Zhu, Ahmed Murtadha, Shengfeng Pan, Bo Wen, Yunfeng Liu

To support the application of deep learning in multi-label classification (MLC) tasks, we propose the ZLPR (zero-bounded log-sum-exp \& pairwise rank-based) loss in this paper.

Classification Multi-Label Classification

BERT-ASC: Implicit Aspect Representation Learning through Auxiliary-Sentence Construction for Sentiment Analysis

1 code implementation22 Mar 2022 Murtadha Ahmed, Shengfeng Pan, Jianlin Su, Xinxin Cao, Wenze Zhang, Bo Wen, Yunfeng Liu

Unfortunately, the aspect is often expressed implicitly through a set of representatives and thus renders implicit mapping process unattainable unless sufficient labeled examples are available.

Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2

Sparse-softmax: A Simpler and Faster Alternative Softmax Transformation

no code implementations23 Dec 2021 Shaoshi Sun, Zhenyuan Zhang, BoCheng Huang, Pengbin Lei, Jianlin Su, Shengfeng Pan, Jiarun Cao

The softmax function is widely used in artificial neural networks for the multiclass classification problems, where the softmax transformation enforces the output to be positive and sum to one, and the corresponding loss function allows to use maximum likelihood principle to optimize the model.

Classification

BioCopy: A Plug-And-Play Span Copy Mechanism in Seq2Seq Models

no code implementations EMNLP (sustainlp) 2021 Yi Liu, Guoan Zhang, Puning Yu, Jianlin Su, Shengfeng Pan

Copy mechanisms explicitly obtain unchanged tokens from the source (input) sequence to generate the target (output) sequence under the neural seq2seq framework.

TAG

RoFormer: Enhanced Transformer with Rotary Position Embedding

18 code implementations20 Apr 2021 Jianlin Su, Yu Lu, Shengfeng Pan, Ahmed Murtadha, Bo Wen, Yunfeng Liu

Then, we propose a novel method named Rotary Position Embedding(RoPE) to effectively leverage the positional information.

Position Semantic Text Matching +1

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