Chi Xu

Adaptive two-stage feature selection for sentiment classification

2017

Sentiment analysis is able to automatically extract valuable customer information from large amount of unstructured text data to support decision making in manufacturing applications such as product design and demand planning. One of the key …

Spacecraft Telemetry Anomaly Detection Based on Parametric Causality and Double-Criteria Drift Streaming Peaks over Threshold

2022 · Applied Sciences

Most of the spacecraft telemetry anomaly detection methods based on statistical models suffer from the problems of high false negatives, long time consumption, and poor interpretability. Besides, complex interactions, which may determine the propagation of …

ConfFix: Repairing Configuration Compatibility Issues in Android Apps

2023

XML configuration files are widely-used to specify the user interfaces (UI) of Android apps. Configuration compatibility (CC) issues are induced owing to the inconsistent handling of such XML configuration files across different Android framework versions. …

Recurrent knowledge graph embedding for effective recommendation

2018

Knowledge graphs (KGs) have proven to be effective to improve recommendation. Existing methods mainly rely on hand-engineered features from KGs (e.g., meta paths), which requires domain knowledge. This paper presents RKGE, a KG embedding approach …

BLOOM: A 176B-Parameter Open-Access Multilingual Language Model

2022 · arXiv (Cornell University)

Large language models (LLMs) have been shown to be able to perform new tasks based on a few demonstrations or natural language instructions. While these capabilities have led to widespread adoption, most LLMs are developed …