Search Results for author: Erjia Yan

Found 4 papers, 0 papers with code

Large-Scale Joint Topic, Sentiment & User Preference Analysis for Online Reviews

no code implementations14 Jan 2019 Xinli Yu, Zheng Chen, Wei-Shih Yang, Xiaohua Hu, Erjia Yan

This paper presents a non-trivial reconstruction of a previous joint topic-sentiment-preference review model TSPRA with stick-breaking representation under the framework of variational inference (VI) and stochastic variational inference (SVI).

Variational Inference

Fast Botnet Detection From Streaming Logs Using Online Lanczos Method

no code implementations19 Dec 2018 Zheng Chen, Xinli Yu, Chi Zhang, Jin Zhang, Cui Lin, Bo Song, Jianliang Gao, Xiaohua Hu, Wei-Shih Yang, Erjia Yan

Botnet, a group of coordinated bots, is becoming the main platform of malicious Internet activities like DDOS, click fraud, web scraping, spam/rumor distribution, etc.

Correlated Anomaly Detection from Large Streaming Data

no code implementations19 Dec 2018 Zheng Chen, Xinli Yu, Yuan Ling, Bo Song, Wei Quan, Xiaohua Hu, Erjia Yan

Correlated anomaly detection (CAD) from streaming data is a type of group anomaly detection and an essential task in useful real-time data mining applications like botnet detection, financial event detection, industrial process monitor, etc.

Event Detection Group Anomaly Detection

A natural language interface to a graph-based bibliographic information retrieval system

no code implementations10 Dec 2016 Yongjun Zhu, Erjia Yan, Il-Yeol Song

In this paper, we propose a natural language interface, NLI-GIBIR, to a graph-based bibliographic information retrieval system.

Information Retrieval named-entity-recognition +4

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