Qiuchi Li

Qiuchi Li

Assistant Professor at University of Copenhagen

Posts by Collection

portfolio

publications

Modeling Multi-query Retrieval Tasks Using Density Matrix Transformation

Published in the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR2015), 2015

We propose a Session-based Quantum Language Model (SQLM) that deals with multi-query session search task.

Recommended citation: Qiuchi Li, Jingfei Li, Peng Zhang and Dawei Song. (2015). "Modeling Multi-query Retrieval Tasks Using Density Matrix Transformation." Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval. pp. 871-874. https://qiuchili.github.io/files/sigir15-short.pdf

Quantum-inspired Complex Word Embedding

Published in the 3rd ACL Workshop on Representation Learning for NLP (Rep4NLP), 2018

We build a complex-valued word embedding approach, inspired by quantum theory and quantum probability.

Recommended citation: Qiuchi Li, Sagar Uprety, Benyou Wang and Dawei Song. (2018). "Quantum-inspired Complex Word Embedding." the 3rd ACL Workshop on Representation Learning for NLP (RepL4NLP). https://qiuchili.github.io/files/acl18-workshop.pdf

Binary Classification Model Inspired from Quantum Detection Theory

Published in The 4th ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR 2018), 2018

We propose a binary classification model, inspired by the quantum signal detection theory.

Recommended citation: Emanuele Di Buccio, Qiuchi Li, Massimo Melucci and Prayag Tiwari. (2018). "Binary Classification Model Inspired from Quantum Detection Theory." The 4th ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR 2018). pp.187-190. https://qiuchili.github.io/files/ictir18-short-2.pdf

Quantum Language Model-based Query Expansion

Published in The 4th ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR 2018), 2018

We build a query expansion framework based on the improved quantum language model (QLM).

Recommended citation: Qiuchi Li, Massimo Melucci and Prayag Tiwari. (2018). "Quantum Language Model-based Query Expansion." The 4th ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR 2018). pp.183-186. https://qiuchili.github.io/files/ictir18-short.pdf

Semantic Hilbert Space for Text Representation Learning

Published in The Web Conference 2019 (WWW2019), 2019

We introduce the Semantic Hilbert Space to model different levels of linguistics units, and build a complex-valued network to implement the framework for text classification.

Recommended citation: Benyou Wang, Qiuchi Li, Massimo Melucci and Dawei Song. (2019). "Semantic Hilbert Space for Text Representation Learning." The Web Conference 2019 (WWW2019) . https://qiuchili.github.io/files/www19-short.pdf

Quantum-inspired Interactive Networks for Conversational Sentiment Analysis

Published in The 28th International Joint Conference on Artificial Intelligence (IJCAI2019), 2019

We build the first quantum-inspired model for conversational sentiment analysis.

Recommended citation: Yazhou Zhang, Qiuchi Li, Peng Zhang, Panpan Wang and Dawei Song (2019). "Quantum-inspired Interactive Networks for Conversational Sentiment Analysis." The 28th International Joint Conference on Artificial Intelligence (IJCAI2019). https://qiuchili.github.io/files/ijcai19-long.pdf

Contextual Compositionality Detection with External Knowledge Bases and Word Embeddings

Published in WWW2019 International Workshop on Deep Learning for Graphs and Structured Data Embedding (DL4G-SDE), 2019

We claim the phrase compositionality detection is a contextual task and address the task by considering the context of a phrase.

Recommended citation: Dongsheng Wang, Qiuchi Li, Lucas Chaves Lima, Jakob Grue Simenson and Christina Lioma. (2019). "Contextual Compositionality Detection with External Knowledge Bases and Word Embeddings." WWW2019 International Workshop on Deep Learning for Graphs and Structured Data Embedding (DL4G-SDE). https://qiuchili.github.io/files/www19-workshop.pdf

CNM: An Interpretable Complex-valued Network for Matching

Published in 2019 Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL-HLT 2019), 2019

We build a semantic matching network with complex-valued components driven by quantum theory. It outperforms strong baseline question answering (QA) models and exhibits a certain degree of interpretability.

Recommended citation: Qiuchi Li, Benyou Wang and Massimo Melucci. (2019). "CNM: An Interpretable Complex-valued Network for Matching." 2019 Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL-HLT 2019). https://qiuchili.github.io/files/naacl19-long.pdf

Syntax-Aware Aspect-Level Sentiment Classification with Proximity-Weighted Convolution Network

Published in The 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019), 2019

We build a promixity weighted convolution network for aspect-level sentiment classification.

Recommended citation: Chen Zhang, Qiuchi Li and Dawei Song. (2019). "Syntax-Aware Aspect-Level Sentiment Classification with Proximity-Weighted Convolution Network." To appear in The 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019). https://qiuchili.github.io/files/sigir19-short.pdf

Encoding Word Order in Complex Embeddings

Published in 2020 International Conference on Learning Representations (ICLR 2020), 2019

We encode word order information in a complex-value word embedding mechanism.

Recommended citation: Benyou Wang, Donghao Zhao, Christina Lioma, Qiuchi Li, Peng Zhang and Jakob Grue Simonsen. (2020). "Encoding Word Order in Complex Embeddings." 2020 International Conference on Learning Representations (ICLR 2020). https://qiuchili.github.io/files/iclr20-long.pdf

Quantum-inspired Neural Network for Conversational Emotion Recognition

Published in Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI-21), 2020

An end-to-end quantum-like approach to emotion recognition in a conversational context.

Recommended citation: Qiuchi Li, Dimitris Gkoumas, Alessandro Sordoni, Jianyun Nie and Massimo Melucci. (2021). "Quantum-inspired Neural Network for Conversational Emotion Recognition." To appear in Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI-21). https://qiuchili.github.io/files/aaai20-1.pdf

Quantum Cognitively Motivated Decision Fusion Framework for Video Sentiment Analysis

Published in Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI-21), 2020

Approaching video sentiment analysis with a quantum cognitive framework on the decision level.

Recommended citation: Dimitris Gkoumas, Qiuchi Li, Massimo Melucci, Yijun Yu and Dawei Song. (2021). "Quantum Cognitively Motivated Decision Fusion Framework for Video Sentiment Analysis." To appear in Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI-21). https://qiuchili.github.io/files/aaai20-2.pdf

A Multi-task Learning Framework for Opinion Triplet Extraction

Published in The 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP 2020), 2020

A Multi-task Learning Framework for Extracting Opinion Triplet.

Recommended citation: Chen Zhang, Qiuchi Li, Dawei Song and Benyou Wang. "A Multi-task Learning Framework for Opinion Triplet Extraction (2020). " In Findings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP 2020, Long, Findings). https://qiuchili.github.io/files/emnlp20-finding.pdf

talks

teaching

Teaching experience 1

Undergraduate course, University 1, Department, 2014

This is a description of a teaching experience. You can use markdown like any other post.

Teaching experience 2

Workshop, University 1, Department, 2015

This is a description of a teaching experience. You can use markdown like any other post.