Search Results for author: Pengcheng Jiang

Found 6 papers, 2 papers with code

TriSum: Learning Summarization Ability from Large Language Models with Structured Rationale

no code implementations15 Mar 2024 Pengcheng Jiang, Cao Xiao, Zifeng Wang, Parminder Bhatia, Jimeng Sun, Jiawei Han

To overcome this, we introduce TriSum, a framework for distilling LLMs' text summarization abilities into a compact, local model.

Text Summarization

GenRES: Rethinking Evaluation for Generative Relation Extraction in the Era of Large Language Models

1 code implementation16 Feb 2024 Pengcheng Jiang, Jiacheng Lin, Zifeng Wang, Jimeng Sun, Jiawei Han

The field of relation extraction (RE) is experiencing a notable shift towards generative relation extraction (GRE), leveraging the capabilities of large language models (LLMs).

Relation Relation Extraction +1

Bi-level Contrastive Learning for Knowledge-Enhanced Molecule Representations

no code implementations2 Jun 2023 Pengcheng Jiang, Cao Xiao, Tianfan Fu, Jimeng Sun

In this paper, we propose a novel method called GODE, which takes into account the two-level structure of individual molecules.

Contrastive Learning Knowledge Graphs +4

GraphCare: Enhancing Healthcare Predictions with Personalized Knowledge Graphs

no code implementations22 May 2023 Pengcheng Jiang, Cao Xiao, Adam Cross, Jimeng Sun

This is because personalized predictions require personalized knowledge graphs (KGs), which are difficult to generate from patient EHR data.

Decision Making Knowledge Graphs

OACAL: Finding Module-consistent Specifications to Secure Systems from Weakened User Obligations

no code implementations16 Aug 2021 Pengcheng Jiang, Kenji Tei

To improve the security with the awareness of unexpected user behaviors, a system can be redesigned to a more robust one by changing the order of actions in its specification.

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