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Dongliang Xu

20 accepted papers

2026

Mind the Third Eye! Benchmarking Privacy Awareness in MLLM-powered Smartphone Agents

AAAI 2026technical

Smartphones bring significant convenience to users but also enable devices to extensively record various types of personal information. Existing smartphone agents powered by Multimodal Large Language Models (MLLMs) have achieved remarkable performance in automating different tasks. However, as the c

Cited by 0SourcePDFScholar
2025

Beyond Similarity: A Gradient-based Graph Method for Instruction Tuning Data Selection

ACL 2025long

Large language models (LLMs) have shown great potential across various industries due to their remarkable ability to generalize through instruction tuning. However, the limited availability of domain-specific data significantly hampers their performance on specialized tasks. While existing methods p…

2025

CFSP: An Efficient Structured Pruning Framework for LLMs with Coarse-to-Fine Activation Information

COLING 2025main

The colossal parameters and computational overhead of Large Language Models (LLMs) challenge their real-world applications. Network pruning, which targets unstructured or structured sparsity by removing redundant parameters, has recently been explored for LLM acceleration. Existing LLM pruning works…

2025

Turning Trash into Treasure: Accelerating Inference of Large Language Models with Token Recycling

ACL 2025long

The rapid growth in the parameters of LLMs has made inference latency a fundamental bottleneck. Speculative decoding represents a lossless approach to accelerate inference through a guess-and-verify paradigm. Some methods rely on additional architectures to guess draft tokens, which need extra train…

2024

Advancing Large Language Model Attribution through Self-Improving

EMNLP 2024main

Teaching large language models (LLMs) to generate text with citations to evidence sources can mitigate hallucinations and enhance verifiability in information-seeking systems. However, improving this capability requires high-quality attribution data, which is costly and labor-intensive. Inspired by…

Cited by 6SourcePDFScholar
2024

Extending Context Window of Large Language Models from a Distributional Perspective

EMNLP 2024main

Scaling the rotary position embedding (RoPE) has become a common method for extending the context window of RoPE-based large language models (LLMs). However, existing scaling methods often rely on empirical approaches and lack a profound understanding of the internal distribution within RoPE, result…

2024

GlobeSumm: A Challenging Benchmark Towards Unifying Multi-lingual, Cross-lingual and Multi-document News Summarization

EMNLP 2024main

News summarization in today’s global scene can be daunting with its flood of multilingual content and varied viewpoints from different sources. However, current studies often neglect such real-world scenarios as they tend to focus solely on either single-language or single-document tasks. To bridge…

2024

How does Architecture Influence the Base Capabilities of Pre-trained Language Models? A Case Study Based on FFN-Wider and MoE Transformers

NeurIPS 2024poster

Pre-trained language models have been proven to possess strong base capabilities, which not only excel in in-distribution language modeling but also show powerful abilities in out-of-distribution language modeling, transfer learning and few-shot learning. Unlike existing work focusing on the influen…

Cited by 0SourcePDFScholar
2024

Improving Factual Consistency in Abstractive Summarization with Sentence Structure Pruning

COLING 2024main

State-of-the-art abstractive summarization models still suffer from the content contradiction between the summaries and the input text, which is referred to as the factual inconsistency problem. Recently, a large number of works have also been proposed to evaluate factual consistency or improve it b…

2024

Length Extrapolation of Transformers: A Survey from the Perspective of Positional Encoding

EMNLP 2024finding

Built upon the Transformer, large language models (LLMs) have captured worldwide attention due to their remarkable abilities. Nevertheless, all Transformer-based models including LLMs suffer from a preset length limit and can hardly generalize from short training sequences to longer inference ones,…

Cited by 21SourcePDFScholar
2024

Make Some Noise: Unlocking Language Model Parallel Inference Capability through Noisy Training

EMNLP 2024main

Existing speculative decoding methods typically require additional model structure and training processes to assist the model for draft token generation. This makes the migration of acceleration methods to the new model more costly and more demanding on device memory. To address this problem, we pro…

2024

Meaningful Learning: Enhancing Abstract Reasoning in Large Language Models via Generic Fact Guidance

NeurIPS 2024poster

Large language models (LLMs) have developed impressive performance and strong explainability across various reasoning scenarios, marking a significant stride towards mimicking human-like intelligence. Despite this, when tasked with several simple questions supported by a generic fact, LLMs often str…

2024

MoGU: A Framework for Enhancing Safety of LLMs While Preserving Their Usability

NeurIPS 2024poster

Large Language Models (LLMs) are increasingly deployed in various applications. As their usage grows, concerns regarding their safety are rising, especially in maintaining harmless responses when faced with malicious instructions. Many defense strategies have been developed to enhance the safety of…

Cited by 4SourcePDFScholar
2024

Python is Not Always the Best Choice: Embracing Multilingual Program of Thoughts

EMNLP 2024main

Program of Thoughts (PoT) is an approach characterized by its executable intermediate steps, which ensure the accuracy of the logical calculations in the reasoning process. Currently, PoT primarily uses Python. However, relying solely on a single language may result in suboptimal solutions and overl…

2024

SAPT: A Shared Attention Framework for Parameter-Efficient Continual Learning of Large Language Models

ACL 2024long

The continual learning (CL) ability is vital for deploying large language models (LLMs) in the dynamic world. Existing methods devise the learning module to acquire task-specific knowledge with parameter-efficient tuning (PET) block and the selection module to pick out the corresponding one for the…

Cited by 21SourcePDFScholar
2024

SmartTrim: Adaptive Tokens and Attention Pruning for Efficient Vision-Language Models

COLING 2024main

Despite achieving remarkable performance on various vision-language tasks, Transformer-based Vision-Language Models (VLMs) suffer from redundancy in inputs and parameters, significantly hampering their efficiency in real-world applications. Moreover, the degree of redundancy in token representations…

2022

Instance-Guided Prompt Learning for Few-Shot Text Matching

EMNLP 2022finding

Few-shot text matching is a more practical technique in natural language processing (NLP) to determine whether two texts are semantically identical. They primarily design patterns to reformulate text matching into a pre-trained task with uniform prompts across all instances. But they fail to take in…

2022

TranS: Transition-based Knowledge Graph Embedding with Synthetic Relation Representation

EMNLP 2022finding

Knowledge graph embedding (KGE) aims to learn continuous vector representations of relations and entities in knowledge graph (KG). Recently, transition-based KGE methods have become popular and achieved promising performance. However, scoring patterns like TransE are not suitable for complex scenari…