Search Results for author: Jianzhong Qi

Found 29 papers, 5 papers with code

Fast, Accurate and Interpretable Time Series Classification Through Randomization

1 code implementation31 May 2021 Nestor Cabello, Elham Naghizade, Jianzhong Qi, Lars Kulik

r-STSF is highly efficient, achieves state-of-the-art classification accuracy and enables interpretability.

Classification Time Series +1

WGCN: Graph Convolutional Networks with Weighted Structural Features

2 code implementations29 Apr 2021 Yunxiang Zhao, Jianzhong Qi, Qingwei Liu, Rui Zhang

Based on nodes' geometrical relationships in the latent space, WGCN differentiates latent, in-, and out-neighbors with an attention-based geometrical aggregation.

Node Classification

A Comprehensive Survey on Knowledge Graph Entity Alignment via Representation Learning

1 code implementation28 Mar 2021 Rui Zhang, Bayu Distiawan Trisedy, Miao Li, Yong Jiang, Jianzhong Qi

In the last few years, the interest in knowledge bases has grown exponentially in both the research community and the industry due to their essential role in AI applications.

Entity Alignment Representation Learning

Evaluating Document Coherence Modelling

no code implementations18 Mar 2021 Aili Shen, Meladel Mistica, Bahar Salehi, Hang Li, Timothy Baldwin, Jianzhong Qi

While pretrained language models ("LM") have driven impressive gains over morpho-syntactic and semantic tasks, their ability to model discourse and pragmatic phenomena is less clear.

Intrusion Detection

HexCNN: A Framework for Native Hexagonal Convolutional Neural Networks

no code implementations25 Jan 2021 Yunxiang Zhao, Qiuhong Ke, Flip Korn, Jianzhong Qi, Rui Zhang

Experimental results show that compared with the state-of-the-art models, which imitate hexagonal processing but using rectangle-shaped filters, HexCNN reduces the training time by up to 42. 2%.

Aerial Scene Classification Scene Classification

Semi-Supervised Dialogue Policy Learning via Stochastic Reward Estimation

no code implementations ACL 2020 Xinting Huang, Jianzhong Qi, Yu Sun, Rui Zhang

This approach requires complete state-action annotations of human-to-human dialogues (i. e., expert demonstrations), which is labor intensive.

Task-Oriented Dialogue Systems

SANST: A Self-Attentive Network for Next Point-of-Interest Recommendation

no code implementations22 Jan 2020 Qianyu Guo, Jianzhong Qi

To address this limitation, in this paper, we propose a model named SANST that incorporates spatio-temporal patterns of user check-ins into self-attentive networks.

MALA: Cross-Domain Dialogue Generation with Action Learning

no code implementations18 Dec 2019 Xinting Huang, Jianzhong Qi, Yu Sun, Rui Zhang

These two components, however, have a discrepancy in their objectives, i. e., task completion and language quality.

Dialogue Generation Semantic Similarity +1

GMAN: A Graph Multi-Attention Network for Traffic Prediction

6 code implementations11 Nov 2019 Chuanpan Zheng, Xiaoliang Fan, Cheng Wang, Jianzhong Qi

Between the encoder and the decoder, a transform attention layer is applied to convert the encoded traffic features to generate the sequence representations of future time steps as the input of the decoder.

Image Dehazing Traffic Prediction

Modelling Uncertainty in Collaborative Document Quality Assessment

no code implementations WS 2019 Aili Shen, Daniel Beck, Bahar Salehi, Jianzhong Qi, Timothy Baldwin

In the context of document quality assessment, previous work has mainly focused on predicting the quality of a document relative to a putative gold standard, without paying attention to the subjectivity of this task.

Decision Making Gaussian Processes

Boosted GAN with Semantically Interpretable Information for Image Inpainting

no code implementations13 Aug 2019 Ang Li, Jianzhong Qi, Rui Zhang, Ramamohanarao Kotagiri

Forexample, given a male image with image region of one eye missing, current models may restore it with a female eye.

Image Inpainting Image Restoration

CARL: Aggregated Search with Context-Aware Module Embedding Learning

no code implementations3 Aug 2019 Xinting Huang, Jianzhong Qi, Yu Sun, Rui Zhang, Hai-Tao Zheng

To model and utilize the context information for aggregated search, we propose a model with context attention and representation learning (CARL).

Representation Learning

Generative Image Inpainting with Submanifold Alignment

no code implementations1 Aug 2019 Ang Li, Jianzhong Qi, Rui Zhang, Xingjun Ma, Kotagiri Ramamohanarao

Image inpainting aims at restoring missing regions of corrupted images, which has many applications such as image restoration and object removal.

Image Inpainting Image Restoration

Neural Relation Extraction for Knowledge Base Enrichment

no code implementations ACL 2019 Bayu Distiawan Trisedya, Gerhard Weikum, Jianzhong Qi, Rui Zhang

This way, NED errors may cause extraction errors that affect the overall precision and recall. To address this problem, we propose an end-to-end relation extraction model for KB enrichment based on a neural encoder-decoder model.

Entity Disambiguation Entity Embeddings +1

Doubly Robust Joint Learning for Recommendation on Data Missing Not at Random

no code implementations1 Jun 2019 Xiaojie Wang, Rui Zhang, Yu Sun, Jianzhong Qi

In recommender systems, usually the ratings of a user to most items are missing and a critical problem is that the missing ratings are often missing not at random (MNAR) in reality.

Imputation Recommendation Systems

CBHE: Corner-based Building Height Estimation for Complex Street Scene Images

no code implementations25 Apr 2019 Yunxiang Zhao, Jianzhong Qi, Rui Zhang

CBHE first obtains building corner and roofline candidates in street scene images based on building footprints from 2D maps and the camera parameters.

A Joint Model for Multimodal Document Quality Assessment

no code implementations4 Jan 2019 Aili Shen, Bahar Salehi, Timothy Baldwin, Jianzhong Qi

The quality of a document is affected by various factors, including grammaticality, readability, stylistics, and expertise depth, making the task of document quality assessment a complex one.

KDGAN: Knowledge Distillation with Generative Adversarial Networks

no code implementations NeurIPS 2018 Xiaojie Wang, Rui Zhang, Yu Sun, Jianzhong Qi

An alternative method is to adversarially train the classifier against a discriminator in a two-player game akin to generative adversarial networks (GAN), which can ensure the classifier to learn the true data distribution at the equilibrium of this game.

Knowledge Distillation Multi-Label Learning

Scalable Bottom-up Subspace Clustering using FP-Trees for High Dimensional Data

no code implementations7 Nov 2018 Minh Tuan Doan, Jianzhong Qi, Sutharshan Rajasegarar, Christopher Leckie

Subspace clustering aims to find groups of similar objects (clusters) that exist in lower dimensional subspaces from a high dimensional dataset.

PubSE: A Hierarchical Model for Publication Extraction from Academic Homepages

no code implementations EMNLP 2018 Yiqing Zhang, Jianzhong Qi, Rui Zhang, Chu Yin, ong

Publication information in a researcher{'}s academic homepage provides insights about the researcher{'}s expertise, research interests, and collaboration networks.

A Jointly Learned Context-Aware Place of Interest Embedding for Trip Recommendations

no code implementations24 Aug 2018 Jiayuan He, Jianzhong Qi, Kotagiri Ramamohanarao

We propose two trip recommendation algorithms based on our context-aware POI embedding.

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