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Biao Hu

5 accepted papers

2025

Partial Order-centered Hyperbolic Representation Learning for Few-shot Relation Extraction

COLING 2025main

Prototype network-based methods have made substantial progress in few-shot relation extraction (FSRE) by enhancing relation prototypes with relation descriptions. However, the distribution of relations and instances in distinct representation spaces isolates the constraints of relations on instances…

Cited by 0SourcePDFScholar
2022

Adaptive Threshold Selective Self-Attention for Chinese NER

COLING 2022main

Recently, Transformer has achieved great success in Chinese named entity recognition (NER) owing to its good parallelism and ability to model long-range dependencies, which utilizes self-attention to encode context. However, the fully connected way of self-attention may scatter the attention distrib…

2022

An Efficient and Accurate Solution to Camera Pose Estimation Problem from Point and Line Correspondences Based on Null Space Analysis

IROS 2022poster

In this paper, we propose an accurate and simultaneously efficient solution to perspective-n-point-and-line (PnPL) problem by null space analysis. Although many PnPL-like methods have been proposed, it is hard to obtain the optimal solution considering both calculation efficiency and accuracy at the…

Cited by 4SourceScholar
2018

An Efficient and Time-Optimal Trajectory Generation Approach for Waypoints Under Kinematic Constraints and Error Bounds

IROS 2018poster

This paper presents an approach to generate the time-optimal trajectory for a robot manipulator under certain kinematic constraints such as joint position, velocity, acceleration, and jerk limits. This problem of generating a trajectory that takes the minimum time to pass through specified waypoints…

Cited by 50SourceScholar