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- research-articleDecember 2023
Language models can improve event prediction by few-shot abductive reasoning
NIPS '23: Proceedings of the 37th International Conference on Neural Information Processing SystemsArticle No.: 1284, Pages 29532–29557Large language models have shown astonishing performance on a wide range of reasoning tasks. In this paper, we investigate whether they could reason about real-world events and help improve the prediction performance of event sequence models. We design ...
- research-articleDecember 2023
Prompt-augmented temporal point process for streaming event sequence
- Siqiao Xue,
- Yan Wang,
- Zhixuan Chu,
- Xiaoming Shi,
- Caigao Jiang,
- Hongyan Hao,
- Gangwei Jiang,
- Xiaoyun Feng,
- James Y. Zhang,
- Jun Zhou
NIPS '23: Proceedings of the 37th International Conference on Neural Information Processing SystemsArticle No.: 828, Pages 18885–18905Neural Temporal Point Processes (TPPs) are the prevalent paradigm for modeling continuous-time event sequences, such as user activities on the web and financial transactions. In real-world applications, event data is typically received in a streaming ...
- research-articleNovember 2023
Adaptive Learning on User Segmentation: Universal to Specific Representation via Bipartite Neural Interaction
SIGIR-AP '23: Proceedings of the Annual International ACM SIGIR Conference on Research and Development in Information Retrieval in the Asia Pacific RegionPages 205–211https://doi.org/10.1145/3624918.3625323Recently, models for user representation learning have been widely applied in click-through-rate (CTR) and conversion-rate (CVR) prediction. Usually, the model learns a universal user representation as the input for subsequent scenario-specific models. ...
- research-articleAugust 2023
Full scaling automation for sustainable development of green data centers
IJCAI '23: Proceedings of the Thirty-Second International Joint Conference on Artificial IntelligenceArticle No.: 695, Pages 6264–6271https://doi.org/10.24963/ijcai.2023/695The rapid rise in cloud computing has resulted in an alarming increase in data centers' carbon emissions, which now account for >3% of global greenhouse gas emissions, necessitating immediate steps to combat their mounting strain on the global climate. An ...
- research-articleFebruary 2023
Bellman meets hawkes: model-based reinforcement learning via temporal point processes
AAAI'23/IAAI'23/EAAI'23: Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence and Thirty-Fifth Conference on Innovative Applications of Artificial Intelligence and Thirteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 1073, Pages 9543–9551https://doi.org/10.1609/aaai.v37i8.26142We consider a sequential decision making problem where the agent faces the environment characterized by the stochastic discrete events and seeks an optimal intervention policy such that its long-term reward is maximized. This problem exists ubiquitously ...
- research-articleFebruary 2023
Learning semantic alignment with global modality reconstruction for video-language pre-training towards retrieval
AAAI'23/IAAI'23/EAAI'23: Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence and Thirty-Fifth Conference on Innovative Applications of Artificial Intelligence and Thirteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 153, Pages 1377–1385https://doi.org/10.1609/aaai.v37i1.25222Video-language pre-training for text-based video retrieval tasks is vitally important. Previous pre-training methods suffer from semantic misalignments. The reason is that these methods ignore sequence alignments but focus on critical token alignment. To ...
- research-articleJanuary 2023
Combating with extremely noisy samples in weakly supervised slot filling for automatic diagnosis
Frontiers of Computer Science: Selected Publications from Chinese Universities (FCS), Volume 17, Issue 5https://doi.org/10.1007/s11704-022-2134-1AbstractSlot filling, to extract entities for specific types of information (slot), is a vitally important modular of dialogue systems for automatic diagnosis. Doctor responses can be regarded as the weak supervision of patient queries. In this way, a ...
- research-articleNovember 2022
HYPRO: a hybridly normalized probabilistic model for long-horizon prediction of event sequences
NIPS '22: Proceedings of the 36th International Conference on Neural Information Processing SystemsArticle No.: 2510, Pages 34641–34650In this paper, we tackle the important yet under-investigated problem of making long-horizon prediction of event sequences. Existing state-of-the-art models do not perform well at this task due to their autoregressive structure. We propose HYPRO, a ...
- research-articleAugust 2022
A Meta Reinforcement Learning Approach for Predictive Autoscaling in the Cloud
- Siqiao Xue,
- Chao Qu,
- Xiaoming Shi,
- Cong Liao,
- Shiyi Zhu,
- Xiaoyu Tan,
- Lintao Ma,
- Shiyu Wang,
- Shijun Wang,
- Yun Hu,
- Lei Lei,
- Yangfei Zheng,
- Jianguo Li,
- James Zhang
KDD '22: Proceedings of the 28th ACM SIGKDD Conference on Knowledge Discovery and Data MiningPages 4290–4299https://doi.org/10.1145/3534678.3539063Predictive autoscaling (autoscaling with workload forecasting) is an important mechanism that supports autonomous adjustment of computing resources in accordance with fluctuating workload demands in the Cloud. In recent works, Reinforcement Learning (RL) ...
- research-articleAugust 2021
A Spatial–Temporal Attention Approach for Traffic Prediction
IEEE Transactions on Intelligent Transportation Systems (ITS-TRANSACTIONS), Volume 22, Issue 8Pages 4909–4918https://doi.org/10.1109/TITS.2020.2983651Accurate traffic forecasting is important to enable intelligent transportation systems in a smart city. This problem is challenging due to the complicated spatial, short-term temporal and long-term periodical dependencies. Existing approaches have ...
- research-articleMarch 2021
Coverage Probability of UAV-Enabled Millimeter Wave Communications in Finite Areas
2021 IEEE Wireless Communications and Networking Conference (WCNC)Pages 1–6https://doi.org/10.1109/WCNC49053.2021.9417119In UAV-enabled mmWave networks, the locations of UAVs are usually modeled by a Poisson point process or a Poisson cluster process in an infinite area. However, some typical scenarios merely deploy a fixed number of UAVs in a finite area such as hotspot ...
- research-articleJanuary 2021
Cloud Computing Task Scheduling Model Based on Improved Whale Optimization Algorithm
The efficiency of task scheduling under cloud computing is related to the effectiveness of users. Aiming at the problems of long scheduling time, high cost consumption, and large virtual machine load in cloud computing task scheduling, an improved ...
- research-articleOctober 2020
Research on Scene Semantic Segmentation Based on Deep Learning
CIPAE 2020: Proceedings of the 2020 International Conference on Computers, Information Processing and Advanced EducationPages 1–5https://doi.org/10.1145/3419635.3419636Because of the problem of the low accuracy and slow speed of the traditional semantic segmentation model, making it difficult to actually use. In response to this problem, this paper focuses on the method to improve the precision and speed of the ...
- doctoral_thesisJanuary 2020
The Impact of Teaching About the Nature of Science in a Senior High School in China
AbstractThe purpose of this study was to observe the impact of a programme of teaching about the Nature of Science on high school students and teachers, and consider the implications of the findings for school science education in China. Since 2018, there ...
- research-articleJune 2012
Understanding and detecting real-world performance bugs
PLDI '12: Proceedings of the 33rd ACM SIGPLAN Conference on Programming Language Design and ImplementationPages 77–88https://doi.org/10.1145/2254064.2254075Developers frequently use inefficient code sequences that could be fixed by simple patches. These inefficient code sequences can cause significant performance degradation and resource waste, referred to as performance bugs. Meager increases in single ...
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ACM SIGPLAN Notices: Volume 47 Issue 6 - ArticleJuly 2011
Head-pose recognition for a game system based on nose's relative position
This paper proposes a head pose identification method using nose's relative position information in a face region and develops a game system based on visual head pose identification techniques to control a virtual robot walking in a virtual maze ...