1 code implementation • CoNLL (EMNLP) 2021 • Mareike Hartmann, Miryam de Lhoneux, Daniel Hershcovich, Yova Kementchedjhieva, Lukas Nielsen, Chen Qiu, Anders Søgaard
Negation is one of the most fundamental concepts in human cognition and language, and several natural language inference (NLI) probes have been designed to investigate pretrained language models’ ability to detect and reason with negation.
no code implementations • 12 Nov 2024 • Ming Lyu, Hao Chen, Dan Wang, Guangyin Feng, Chen Qiu, Xiaodong Xu
Then, a weighted sum CRB minimization problem on the distance and velocity estimations is formulated by considering communication rate requirement and RS intervals constraints, which is a mixed-integer problem due to the discrete RS interval values.
no code implementations • 21 Aug 2024 • Andrés Aradillas Fernández, José Luis Montiel Olea, Chen Qiu, Jörg Stoye, Serdil Tinda
We study a class of binary treatment choice problems with partial identification, through the lens of robust (multiple prior) Bayesian analysis.
no code implementations • 17 Aug 2024 • José Luis Montiel Olea, Brenda Prallon, Chen Qiu, Jörg Stoye, Yiwei Sun
We present a decision-theoretic justification for viewing the question of how to best choose where to experiment in order to optimize external validity as a k-median (clustering) problem, a popular problem in computer science and operations research.
no code implementations • 24 Jun 2024 • Aodong Li, Yunhan Zhao, Chen Qiu, Marius Kloft, Padhraic Smyth, Maja Rudolph, Stephan Mandt
Large language models (LLMs) have shown their potential in long-context understanding and mathematical reasoning.
no code implementations • 22 May 2024 • Lorenzo Perini, Maja Rudolph, Sabrina Schmedding, Chen Qiu
In addition, learning an anomaly detector with limited (or no) anomalies often yields poor prediction performance.
no code implementations • 29 Dec 2023 • José Luis Montiel Olea, Chen Qiu, Jörg Stoye
We apply classical statistical decision theory to a large class of treatment choice problems with partial identification, revealing important theoretical and practical challenges but also interesting research opportunities.
no code implementations • 20 Dec 2023 • Shuai Ma, Haihong Sheng, Junchang Sun, Hang Li, Xiaodong Liu, Chen Qiu, Majid Safari, Naofal Al-Dhahir, Shiyin Li
Then, we derive the expression of LiFi transmission rate based on the m-pulse-amplitude-modulation (M-PAM).
no code implementations • 16 Oct 2023 • Clement Fung, Chen Qiu, Aodong Li, Maja Rudolph
In this work, we propose SWSA (Selection With Synthetic Anomalies): a general-purpose framework to select image-based anomaly detectors without labeled validation data.
no code implementations • 10 Oct 2023 • Toru Kitagawa, Sokbae Lee, Chen Qiu
We consider a decision maker who faces a binary treatment choice when their welfare is only partially identified from data.
no code implementations • 9 Oct 2023 • Chen Qiu, Xingyu Li, Chaithanya Kumar Mummadi, Madan Ravi Ganesh, Zhenzhen Li, Lu Peng, Wan-Yi Lin
Prompt learning for vision-language models, e. g., CoOp, has shown great success in adapting CLIP to different downstream tasks, making it a promising solution for federated learning due to computational reasons.
no code implementations • 14 Aug 2023 • Mingyue Zhu, Zhiqing Wei, Chen Qiu, Wangjun Jiang, Huici Wu, Zhiying Feng
Firstly, the block coordinate descent (BCD) and successive convex approximation (SCA) techniques are applied to iteratively optimize the trajectory of the main UAV and the sensor transmission schedule, so as to maximize the minimum amount of data uploaded by the sensor.
1 code implementation • 5 May 2023 • Wenyan Li, Jonas F. Lotz, Chen Qiu, Desmond Elliott
Image captioning models are typically trained by treating all samples equally, neglecting to account for mismatched or otherwise difficult data points.
1 code implementation • NeurIPS 2023 • Aodong Li, Chen Qiu, Marius Kloft, Padhraic Smyth, Maja Rudolph, Stephan Mandt
Anomaly detection (AD) plays a crucial role in many safety-critical application domains.
Ranked #1 on Unsupervised Anomaly Detection on AnoShift
Unsupervised Anomaly Detection zero-shot anomaly detection +1
1 code implementation • 15 Feb 2023 • Aodong Li, Chen Qiu, Marius Kloft, Padhraic Smyth, Stephan Mandt, Maja Rudolph
Selecting informative data points for expert feedback can significantly improve the performance of anomaly detection (AD) in various contexts, such as medical diagnostics or fraud detection.
no code implementations • 11 Nov 2022 • Zhiqing Wei, Xinyi Yang, Chunwei Meng, Xiaoyu Yang, Kaifeng Han, Chen Qiu, Huici Wu
This paper proves the efficiency of IRS enabled ISAC system, which motivates the implementation of IRS to enhance the sensing capability in ISAC system.
1 code implementation • 24 Oct 2022 • Chen Qiu, Dan Oneata, Emanuele Bugliarello, Stella Frank, Desmond Elliott
We call this framework TD-MML: Translated Data for Multilingual Multimodal Learning, and it can be applied to any multimodal dataset and model.
Zero-Shot Cross-Lingual Image-to-Text Retrieval Zero-Shot Cross-Lingual Text-to-Image Retrieval +3
1 code implementation • 18 Jul 2022 • Yifan Gu, Changyang She, Zhi Quan, Chen Qiu, Xiaodong Xu
In this paper, we aim to design low signaling overhead distributed power allocation schemes by using graph neural networks (GNNs), which are scalable to the number of wireless links.
no code implementations • 2 Jul 2022 • Hao Wang, Bin Guo, Yating Zeng, Yasan Ding, Chen Qiu, Ying Zhang, Lina Yao, Zhiwen Yu
The intelligent dialogue system, aiming at communicating with humans harmoniously with natural language, is brilliant for promoting the advancement of human-machine interaction in the era of artificial intelligence.
1 code implementation • 27 May 2022 • Chen Qiu, Marius Kloft, Stephan Mandt, Maja Rudolph
Graph-level anomaly detection has become a critical topic in diverse areas, such as financial fraud detection and detecting anomalous activities in social networks.
no code implementations • 17 May 2022 • Toru Kitagawa, Sokbae Lee, Chen Qiu
The literature focuses on the mean of welfare regret, which can lead to undesirable treatment choice due to sensitivity to sampling uncertainty.
1 code implementation • 16 Feb 2022 • Chen Qiu, Aodong Li, Marius Kloft, Maja Rudolph, Stephan Mandt
We propose a strategy for training an anomaly detector in the presence of unlabeled anomalies that is compatible with a broad class of models.
1 code implementation • 8 Feb 2022 • Tim Schneider, Chen Qiu, Marius Kloft, Decky Aspandi Latif, Steffen Staab, Stephan Mandt, Maja Rudolph
We develop a new method to detect anomalies within time series, which is essential in many application domains, reaching from self-driving cars, finance, and marketing to medical diagnosis and epidemiology.
no code implementations • 16 Nov 2021 • Giao Nguyen-Quynh, Philipp Becker, Chen Qiu, Maja Rudolph, Gerhard Neumann
In addition, driving data can often be multimodal in distribution, meaning that there are distinct predictions that are likely, but averaging can hurt model performance.
1 code implementation • CoNLL (EMNLP) 2021 • Heather Lent, Emanuele Bugliarello, Miryam de Lhoneux, Chen Qiu, Anders Søgaard
Creole languages such as Nigerian Pidgin English and Haitian Creole are under-resourced and largely ignored in the NLP literature.
3 code implementations • 30 Mar 2021 • Chen Qiu, Timo Pfrommer, Marius Kloft, Stephan Mandt, Maja Rudolph
Data transformations (e. g. rotations, reflections, and cropping) play an important role in self-supervised learning.
no code implementations • 20 Oct 2020 • Chen Qiu, Stephan Mandt, Maja Rudolph
Deep probabilistic time series forecasting models have become an integral part of machine learning.
1 code implementation • 10 Jan 2020 • Markus Hiller, Chen Qiu, Florian Particke, Christian Hofmann, Jörn Thielecke
Today's mobile robots are expected to operate in complex environments they share with humans.
1 code implementation • IJCNLP 2019 • Rahul Aralikatte, Heather Lent, Ana Valeria Gonzalez, Daniel Hershcovich, Chen Qiu, Anders Sandholm, Michael Ringaard, Anders Søgaard
Unresolved coreference is a bottleneck for relation extraction, and high-quality coreference resolvers may produce an output that makes it a lot easier to extract knowledge triples.