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Ziqi Liu

28 accepted papers

2026

ChartR: Evaluating Reasoning Accuracy and Robustness in Chart Question Answering

CVPR 2026

Chart Question Answering (CQA) benchmarks are critical for evaluating Multimodal Large Language Models (MLLMs) on visual data reasoning. Existing benchmarks focus mainly on final-answer correctness, ignoring intermediate reasoning steps and the propagation of errors in multi-step processes. To addre

Cited by 0SourceScholar
2026

CodeChemist: Test-Time Scaling for Low-Resource Code Generation via Functional Knowledge Transfer

ICML 2026poster

Code Large Language Models (CodeLLMs) have been widely adopted for Natural Language to Programming Language code generation, powering applications with large user bases. Their performance, however, varies sharply across programming languages (PLs) and is particularly suboptimal for low-resource PLs …

Cited by 0SourceScholar
2026

MergeMix: Optimizing Mid-Training Data Mixtures via Learnable Model Merging

ICML 2026poster

Optimizing data mixtures is is essential for unlocking the full potential of of large language models (LLMs), yet identifying the optimal composition remains computationally prohibitive due to reliance on heuristic trials or expensive proxy training. To address this, we introduce MergeMix, a novel a…

Cited by 0SourceScholar
2026

SEVADE: Self-Evolving Multi-Agent Analysis with Decoupled Evaluation for Hallucination-Resistant Sarcasm Detection

AAAI 2026technical

Sarcasm detection is a crucial yet challenging Natural Language Processing task. Existing Large Language Model methods are often limited by single-perspective analysis, static reasoning pathways, and a susceptibility to hallucination when processing complex ironic rhetoric, which impacts their accur

Cited by 0SourcePDFScholar
2026

Towards Greater Leverage: Scaling Laws for Efficient Mixture-of-Experts Language Models

ICLR 2026poster

Mixture-of-Experts (MoE) has become a dominant architecture for scaling Large Language Models (LLMs) efficiently by decoupling total parameters from computational cost. However, this decoupling creates a critical challenge: predicting the model capacity of a given MoE configurations (e.g., expert ac…

Cited by 0SourceScholar
2026

WSM: Decay-Free Learning Rate Schedule via Checkpoint Merging for LLM Pre-training

ICLR 2026oral

Recent advances in learning rate~(LR) scheduling have demonstrated the effectiveness of decay-free approaches that eliminate the traditional decay phase while maintaining competitive performance. Model merging techniques have emerged as particularly promising solutions in this domain. We present War…

Cited by 0SourceScholar
2025

Accurate KV Cache Eviction via Anchor Direction Projection for Efficient LLM Inference

NeurIPS 2025poster

Key-Value (KV) cache eviction---which retains the KV pairs of the most important tokens while discarding less important ones---is a critical technique for optimizing both memory usage and inference latency in large language models (LLMs). However, existing approaches often rely on simple heuristics-…

Cited by 0SourceScholar
2025

Bagging-Expert Network for Multi-Task Learning: A Depolarization Solution in Multi-Gate Mixture-of-Experts

AAAI 2025technical

Multi-task learning (MTL) is widely utilized across a variety of real-world applications, including recommendation systems. For instance, in the field of e-commerce, MTL is commonly employed to simultaneously model click, conversion, and user dwelling time. Among a various of MTL models, the Multi-g…

Cited by 0SourcePDFScholar
2025

Multiple Heads are Better than One: Mixture of Modality Knowledge Experts for Entity Representation Learning

ICLR 2025poster

Learning high-quality multi-modal entity representations is an important goal of multi-modal knowledge graph (MMKG) representation learning, which can en- hance reasoning tasks within the MMKGs, such as MMKG completion (MMKGC). The main challenge is to collaboratively model the structural informatio…

2025

OpenRSD: Towards Open-prompts for Object Detection in Remote Sensing Images

ICCV 2025poster

Remote sensing object detection has made significant progress, but most studies still focus on closed-set detection, limiting generalization across diverse datasets. Open-vocabulary object detection (OVD) provides a solution by leveraging multimodal associations between text prompts and visual featu…

2025

TGLsta: Low-resource Textual Graph Learning with Semantic and Topological Awareness via LLMs

AAAI 2025technical

Textual Graphs (TGs) present a graph-based representation of textual data and find wide applications in real-world scenarios, such as citation networks, knowledge graphs, and social networks. While the traditional "pre-train, fine-tune" framework effectively addresses tasks requiring abundant labele…

Cited by 0SourcePDFScholar
2025

Tokenization, Fusion, and Augmentation: Towards Fine-grained Multi-modal Entity Representation

AAAI 2025technical

Multi-modal knowledge graph completion (MMKGC) aims to discover unobserved knowledge from given multi-modal knowledge graphs (MMKG), collaboratively leveraging structural information from the triples and multi-modal information of the entities to overcome the inherent incompleteness. Existing MMKGC…

2025

Unlocking General Long Chain-of-Thought Reasoning Capabilities of Large Language Models via Representation Engineering

ACL 2025long

Recent advancements in long chain-of-thoughts (long CoTs) have significantly improved the reasoning capabilities of large language models (LLMs). Existing work finds that the capability of long CoT reasoning can be efficiently elicited by tuning on only a few examples and can easily transfer to othe…

2024

Knowledge-augmented Financial Market Analysis and Report Generation

EMNLP 2024industry

Crafting a convincing financial market analysis report necessitates a wealth of market information and the expertise of financial analysts, posing a highly challenging task. While large language models (LLMs) have enabled the automated generation of financial market analysis text, they still face is…

Cited by 2SourcePDFScholar
2024

Learning to Plan for Retrieval-Augmented Large Language Models from Knowledge Graphs

EMNLP 2024finding

Improving the performance of large language models (LLMs) in complex question-answering (QA) scenarios has always been a research focal point. Recent studies have attempted to enhance LLMs’ performance by combining step-wise planning with external retrieval. While effective for advanced models like…

2024

MDGNN: Multi-Relational Dynamic Graph Neural Network for Comprehensive and Dynamic Stock Investment Prediction

AAAI 2024technical

The stock market is a crucial component of the financial system, but predicting the movement of stock prices is challenging due to the dynamic and intricate relations arising from various aspects such as economic indicators, financial reports, global news, and investor sentiment. Traditional sequent…

Cited by 23SourcePDFScholar
2022

Vertically Federated Graph Neural Network for Privacy-Preserving Node Classification

IJCAI 2022poster

Recently, Graph Neural Network (GNN) has achieved remarkable progresses in various real-world tasks on graph data, consisting of node features and the adjacent information between different nodes. High-performance GNN models always depend on both rich features and complete edge information in graph.…

Cited by 132SourcePDFScholar
2021

A Model-Free Synchronous Control of Humanoid Robot Finger

ICRA 2021poster

For a multi-fingered robot hand, the individual control over single joints cannot guarantee their fine collaboration. For achieving a high-precision synchronization, a theory of synchronous control is introduced to multi-fingered robot hands. This paper introduced a new model-free and cross-coupling…

Cited by 2SourceScholar
2021

MixSeq: Connecting Macroscopic Time Series Forecasting with Microscopic Time Series Data

NeurIPS 2021poster

Time series forecasting is widely used in business intelligence, e.g., forecast stock market price, sales, and help the analysis of data trend. Most time series of interest are macroscopic time series that are aggregated from microscopic data. However, instead of directly modeling the macroscopic ti…

Cited by 21SourcePDFScholar
2021

User Retention: A Causal Approach with Triple Task Modeling

IJCAI 2021poster

For many Internet companies, it has been an important focus to improve user retention rate. To achieve this goal, we need to recommend proper services in order to meet the demands of users. Unlike conventional click-through rate (CTR) estimation, there are lots of noise in the collected data when m…

Cited by 9SourcePDFScholar
2020

Bandit Samplers for Training Graph Neural Networks

NeurIPS 2020poster

Several sampling algorithms with variance reduction have been proposed for accelerating the training of Graph Convolution Networks (GCNs). However, due to the intractable computation of optimal sampling distribution, these sampling algorithms are suboptimal for GCNs and are not applicable to more g…