activity
20222025
most citedA Survey of Controllable Text Generation using Transformer-based Pre-trained Language Models

28 citations · 47 across the 18 of their papers we have counts for

collaborators

19 papers

cs.CL2025

ZigzagAttention: Efficient Long-Context Inference with Exclusive Retrieval and Streaming Heads

Zhuorui Liu, Chen Zhang, Dawei Song

With the rapid development of large language models (LLMs), handling long context has become one of the vital abilities in LLMs. Such long-context ability is accompanied by difficu…

cs.CL2025

WindowKV: Task-Adaptive Group-Wise KV Cache Window Selection for Efficient LLM Inference

Youhui Zuo, Sibo Wei, Chen Zhang +3

With the advancements in long-context inference capabilities of large language models (LLMs), the KV cache has become one of the foundational components. However, its substantial G…

cs.CL2024

MoDification: Mixture of Depths Made Easy

Chen Zhang, Meizhi Zhong, Qimeng Wang +8

Long-context efficiency has recently become a trending topic in serving large language models (LLMs). And mixture of depths (MoD) is proposed as a perfect fit to bring down both la…

cs.CL2024

Beyond the Speculative Game: A Survey of Speculative Execution in Large Language Models

Chen Zhang, Zhuorui Liu, Dawei Song

With the increasingly giant scales of (causal) large language models (LLMs), the inference efficiency comes as one of the core concerns along the improved performance. In contrast…

cs.IR2023

On Elastic Language Models

Chen Zhang, Benyou Wang, Dawei Song

Large-scale pretrained language models have achieved compelling performance in a wide range of language understanding and information retrieval tasks. Knowledge distillation offers…

cs.CL2023

Sparse Contrastive Learning of Sentence Embeddings

Ruize An, Chen Zhang, Dawei Song

Recently, SimCSE has shown the feasibility of contrastive learning in training sentence embeddings and illustrates its expressiveness in spanning an aligned and uniform embedding s…

cs.CL2023★ 3 cited

Towards the Law of Capacity Gap in Distilling Language Models

Chen Zhang, Qiuchi Li, Dawei Song +3

Language model (LM) distillation aims at distilling the knowledge in a large teacher LM to a small student one. As a critical issue facing LM distillation, a superior student often…

cs.CL2023

Task-agnostic Distillation of Encoder-Decoder Language Models

Chen Zhang, Yang Yang, Jingang Wang +1

Finetuning pretrained language models (LMs) have enabled appealing performance on a diverse array of tasks. The intriguing task-agnostic property has driven a shifted focus from ta…

cs.CL2023★ 1 cited

Lifting the Curse of Capacity Gap in Distilling Language Models

Chen Zhang, Yang Yang, Jiahao Liu +4

Pretrained language models (LMs) have shown compelling performance on various downstream tasks, but unfortunately they require a tremendous amount of inference compute. Knowledge d…

cs.IR2023

Modular Retrieval for Generalization and Interpretation

Juhao Liang, Chen Zhang, Zhengyang Tang +3

New retrieval tasks have always been emerging, thus urging the development of new retrieval models. However, instantiating a retrieval model for each new retrieval task is resource…

cs.CL2022★ 2 cited

DisCup: Discriminator Cooperative Unlikelihood Prompt-tuning for Controllable Text Generation

Hanqing Zhang, Dawei Song

Prompt learning with immensely large Casual Language Models (CLMs) has been shown promising for attribute-controllable text generation (CTG). However, vanilla prompt tuning tends t…

cs.CL2022★ 2 cited

Sparse Teachers Can Be Dense with Knowledge

Yi Yang, Chen Zhang, Dawei Song

Recent advances in distilling pretrained language models have discovered that, besides the expressiveness of knowledge, the student-friendliness should be taken into consideration…

cs.CL2022★ 2 cited

XPrompt: Exploring the Extreme of Prompt Tuning

Fang Ma, Chen Zhang, Lei Ren +5

Prompt tuning learns soft prompts to condition frozen Pre-trained Language Models (PLMs) for performing downstream tasks in a parameter-efficient manner. While prompt tuning has gr…

cs.CL2022★ 7 cited

Structural Bias for Aspect Sentiment Triplet Extraction

Chen Zhang, Lei Ren, Fang Ma +3

Structural bias has recently been exploited for aspect sentiment triplet extraction (ASTE) and led to improved performance. On the other hand, it is recognized that explicitly inco…

cs.CL2022

Aspect-specific Context Modeling for Aspect-based Sentiment Analysis

Fang Ma, Chen Zhang, Bo Zhang +1

Aspect-based sentiment analysis (ABSA) aims at predicting sentiment polarity (SC) or extracting opinion span (OE) expressed towards a given aspect. Previous work in ABSA mostly rel…

cs.CL2022

Doge Tickets: Uncovering Domain-general Language Models by Playing Lottery Tickets

Yi Yang, Chen Zhang, Benyou Wang +1

Over-parameterized models, typically pretrained language models (LMs), have shown an appealing expressive power due to their small learning bias. However, the huge learning capacit…

cs.CL2022★ 1 cited

MiniDisc: Minimal Distillation Schedule for Language Model Compression

Chen Zhang, Yang Yang, Qifan Wang +4

Recent studies have uncovered that language model distillation is less effective when facing a large capacity gap between the teacher and the student, and introduced teacher assist…

cs.CL2022★ 1 cited

Making Pretrained Language Models Good Long-tailed Learners

Chen Zhang, Lei Ren, Jingang Wang +2

Prompt-tuning has shown appealing performance in few-shot classification by virtue of its capability in effectively exploiting pre-trained knowledge. This motivates us to check the…

cs.CL2022★ 28 cited

A Survey of Controllable Text Generation using Transformer-based Pre-trained Language Models

Hanqing Zhang, Haolin Song, Shaoyu Li +2

Controllable Text Generation (CTG) is emerging area in the field of natural language generation (NLG). It is regarded as crucial for the development of advanced text generation tec…