Pei Wang

Deeper

2018

Data scientists often spend more than 80% of their time on data preparation. Data enrichment, the act of extending a local database with new attributes from external data sources, is among the most time-consuming tasks. …

Progressive Deep Web Crawling Through Keyword Queries For Data Enrichment

2019

Data enrichment is the act of extending a local database with new attributes from external data sources. In this paper, we study a novel problem-how to progressively crawl the deep web (i.e., a hidden database) …

Sampling and inspection of dose and mechanical properties of medical linear accelerators in grass-roots radiotherapy units in Sichuan Province, China

2016 · Zhonghua fangshe zhongliuxue zazhi

Objective To investigate the dose and mechanical properties of medical electron linear accelerators in grass-roots radiotherapy units in Sichuan Province, China via sampling and inspection. Methods A total of eight radiotherapy units in Sichuan Province …

Evaluating Long-Context Understanding via Latent and Positional Structure Queries in Large Language Models

2024

The ability to handle long-context dependencies is a critical challenge for modern language models, especially in tasks that require the retention of information over extended input sequences. Differentiating between latent and positional queries introduces a …

DREAM: Disentangling Risks to Enhance Safety Alignment in Multimodal Large Language Models

2025

Jianyu Liu, Hangyu Guo, Ranjie Duan, Xingyuan Bu, Yancheng He, Shilong Li, Hui Huang, Jiaheng Liu, Yucheng Wang, Chenchen Jing, Xingwei Qu, Xiao Zhang, Pei Wang, Yanan Wu, Jihao Gu, Yangguang Li, Jianke Zhu. Proceedings …