Results 1 to 10 of about 1,325,413 (350)

A multi-dimensional semantic pseudo-relevance feedback framework for information retrieval [PDF]

Scientific Reports
Pre-trained models have garnered significant attention in the field of information retrieval, particularly for improving document ranking. Typically, an initial retrieval step using sparse methods such as BM25 is employed to obtain a set of pseudo ...
Min Pan, Yu Liu, Jinguang Chen, Ellen Anne Huang, Jimmy X. Huang   +4 more
doaj   +2 more sources

Study of Various Data Mining Methods to Select the Appropriate Method for Managers to Make Decisions in Urban Management (Case Study: Tehran Municipality) [PDF]

علوم و فنون مدیریت اطلاعات, 2021
Purpose: The main purpose of this article is to analyze the data of the Tehran Municipality websites and provide data mining solutions for managers' decisions.Methodology: This research is fundamental and in terms of nature, it can be considered ...
Shayesteh Shojaei Karizaki, Soodabeh Shapoori, Hajar Zarei   +2 more
doaj   +1 more source

Using Deep-Learned Vector Representations for Page Stream Segmentation by Agglomerative Clustering

Algorithms, 2023
Page stream segmentation (PSS) is the task of retrieving the boundaries that separate source documents given a consecutive stream of documents (for example, sequentially scanned PDF files).
Lukas Busch, Ruben van Heusden, Maarten Marx   +2 more
doaj   +1 more source

Causal Factor Disentanglement for Few-Shot Domain Adaptation in Video Prediction

Entropy, 2023
An important challenge in machine learning is performing with accuracy when few training samples are available from the target distribution. If a large number of training samples from a related distribution are available, transfer learning can be used to
Nathan Cornille, Katrien Laenen, Jingyuan Sun, Marie-Francine Moens   +3 more
doaj   +1 more source

UCN-YOLOv5: Traffic Sign Object Detection Algorithm Based on Deep Learning

IEEE Access, 2023
Traffic sign detection plays an important role in traffic safety and traffic management. In view of the complex and changeable environment and detection accuracy of traffic sign detection, this paper proposes UCN-YOLOv5 model based on the framework of ...
Peilin Liu, Zhaoyang Xie, Taijun Li
doaj   +1 more source

Twitter Self-Organization to the Edge of a Phase Transition: Discrete-Time Model and Effective Early Warning Signals in Phase Space

Complexity, 2023
Many real-world systems of various origins are capable of self-organization to the edge of a phase transition, characterized by avalanche-like behavior. Therefore, it is important, by observing the behavior of early warning measures for dynamical series ...
Andrey Dmitriev, Andrey Lebedev, Vasily Kornilov, Victor Dmitriev   +3 more
doaj   +1 more source

Aligning Semantic in Brain and Language: A Curriculum Contrastive Method for Electroencephalography-to-Text Generation

IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2023
Electroencephalography-to-Text generation (EEG-to-Text), which aims to directly generate natural text from EEG signals has drawn increasing attention in recent years due to the enormous potential for Brain-computer interfaces.
Xiachong Feng, Xiaocheng Feng, Bing Qin, Ting Liu   +3 more
doaj   +1 more source

Effective precursors for self-organization of complex systems into a critical state based on dynamic series data

Frontiers in Physics, 2023
Many different precursors are known, but not all of which are effective, i.e., giving enough time to take preventive measures and with a minimum number of false early warning signals.
Andrey Dmitriev, Andrey Dmitriev, Andrey Lebedev, Vasily Kornilov, Victor Dmitriev   +4 more
doaj   +1 more source

The effect of visual teaching method using PowerPoint, video and photo based on educational management model on conceptual learning [PDF]

مدیریت و چشم انداز آموزش, 2021
The aim of this study was how to determine the effectiveness of visual teaching method using PowerPoint, video and photos and based on the educational management model on students' conceptual learning.
ebrahim khashi jamalzehi
doaj   +1 more source

A large dataset of scientific text reuse in Open-Access publications

Scientific Data, 2023
We present the Webis-STEREO-21 dataset, a massive collection of Scientific Text Reuse in Open-access publications. It contains 91 million cases of reused text passages found in 4.2 million unique open-access publications.
Lukas Gienapp, Wolfgang Kircheis, Bjarne Sievers, Benno Stein, Martin Potthast   +4 more
doaj   +1 more source