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Ziyang Li

14 accepted papers

2026

QLCoder: A Query Synthesizer For Static Analysis of Security Vulnerabilities

ICLR 2026poster

CodeQL is a powerful static analysis engine that represents programs’ abstract syntax trees as databases that can be queried to detect security vulnerabilities. While CodeQL supports expressive interprocedural dataflow queries, the coverage and precision of its existing security queries remain limit…

Cited by 0SourcecodeScholar
2026

ThunderAgent: A Fast, Simple, and Program-Aware Agentic Inference System

ICML 2026spotlight

Large language models (LLMs) are now used to power complex multi-turn agentic workflows. Existing services run agentic inference by assembling isolated components: an LLM inference engine (e.g., vLLM) and a tool orchestrator (e.g., Kubernetes). Although agentic workflows involve multiple LLM and too…

Cited by 0SourceScholar
2026

UP2You: Fast Reconstruction of Yourself from Unconstrained Photo Collections

ICLR 2026poster

We present UP2You, the first tuning-free solution for reconstructing high-fidelity 3D clothed portraits from extremely unconstrained in-the-wild 2D photos. Unlike previous approaches that require "clean" inputs (e.g., full-body images with minimal occlusions, or well calibrated cross-view captures),…

Cited by 0SourcecodeScholar
2025

ESCA: Contextualizing Embodied Agents via Scene-Graph Generation

NeurIPS 2025spotlight

Multi-modal large language models (MLLMs) are making rapid progress toward general-purpose embodied agents. However, existing MLLMs do not reliably capture fine-grained links between low-level visual features and high-level textual semantics, leading to weak grounding and inaccurate perception. To o…

Cited by 0SourcecodeScholar
2025

IRIS: LLM-Assisted Static Analysis for Detecting Security Vulnerabilities

ICLR 2025poster

Software is prone to security vulnerabilities. Program analysis tools to detect them have limited effectiveness in practice due to their reliance on human labeled specifications. Large language models (or LLMs) have shown impressive code generation capabilities but they cannot do complex reasoning o…

2025

LASER: A Neuro-Symbolic Framework for Learning Spatio-Temporal Scene Graphs with Weak Supervision

ICLR 2025poster

Supervised approaches for learning spatio-temporal scene graphs (STSG) from video are greatly hindered due to their reliance on STSG-annotated videos, which are labor-intensive to construct at scale. Is it feasible to instead use readily available video captions as weak supervision? To address this…

Cited by 1SourcePDFScholar
2025

TurnaboutLLM: A Deductive Reasoning Benchmark from Detective Games

EMNLP 2025

This paper introduces TurnaboutLLM, a novel framework and dataset for evaluating the deductive reasoning abilities of Large Language Models (LLMs) by leveraging the interactive gameplay of detective games Ace Attorney and Danganronpa. The framework tasks LLMs with identifying contradictions between

Cited by 0SourcePDFScholar
2024

DISCRET: Synthesizing Faithful Explanations For Treatment Effect Estimation

ICML 2024spotlight

Designing faithful yet accurate AI models is challenging, particularly in the field of individual treatment effect estimation (ITE). ITE prediction models deployed in critical settings such as healthcare should ideally be (i) accurate, and (ii) provide faithful explanations. However, current solutio…

2024

Data-Efficient Learning with Neural Programs

NeurIPS 2024poster

Many computational tasks can be naturally expressed as a composition of a DNN followed by a program written in a traditional programming language or an API call to an LLM. We call such composites "neural programs" and focus on the problem of learning the DNN parameters when the training data consis…

2024

Relational Programming with Foundational Models

AAAI 2024technical

Foundation models have vast potential to enable diverse AI applications. The powerful yet incomplete nature of these models has spurred a wide range of mechanisms to augment them with capabilities such as in-context learning, information retrieval, and code interpreting. We propose Vieira, a declara…

Cited by 9SourcePDFScholar
2023

Improved Logical Reasoning of Language Models via Differentiable Symbolic Programming

ACL 2023findings

Pre-trained large language models (LMs) struggle to perform logical reasoning reliably despite advances in scale and compositionality. In this work, we tackle this challenge through the lens of symbolic programming. We propose DSR-LM, a Differentiable Symbolic Reasoning framework where pre-trained L…

2021

Scallop: From Probabilistic Deductive Databases to Scalable Differentiable Reasoning

NeurIPS 2021poster

Deep learning and symbolic reasoning are complementary techniques for an intelligent system. However, principled combinations of these techniques have limited scalability, rendering them ill-suited for real-world applications. We propose Scallop, a system that builds upon probabilistic deductive dat…

Cited by 87SourcePDFScholar
2020

HOPPITY: LEARNING GRAPH TRANSFORMATIONS TO DETECT AND FIX BUGS IN PROGRAMS

ICLR 2020spotlight

We present a learning-based approach to detect and fix a broad range of bugs in Javascript programs. We frame the problem in terms of learning a sequence of graph transformations: given a buggy program modeled by a graph structure, our model makes a sequence of predictions including the position of…

Cited by 272SourcecodeScholar
2018

Modeling Varying Camera-IMU Time Offset in Optimization-Based Visual-Inertial Odometry

ECCV 2018poster

Combining cameras and inertial measurement units (IMUs) has been proven effective in motion tracking, as these two sensing modalities offer complementary characteristics that are suitable for fusion. While most works focus on global-shutter cameras and synchronized sensor measurements, consumer-grad…

Cited by 25SourcePDFScholar