频繁模式（项集）挖掘新算法
我们小组提出了基于模式树节点集的新颖数据结构，并把这类结构应用到数据挖掘核心任务－频繁模式挖掘中，形成了一系列的算法，其中包括2010年发表在《International Journal of Computational Intelligence Systems》的PPV算法和2012年发表《SCIENCE CHINA I
我们小组提出了基于模式树节点集的新颖数据结构，并把这类结构应用到数据挖掘核心任务－频繁模式挖掘中，形成了一系列的算法，其中包括2010年发表在《International Journal of Computational Intelligence Systems》的PPV算法和2012年发表《SCIENCE CHINA Information Sciences》上的PrePost算法。对这两个算法有兴趣的人可以从以下网址免费下载。
PPV算法（论文题目：A New Fast Vertical Method for Mining Frequent Patterns）下载地址：http://www.cis.pku.edu.cn/faculty/system/dengzhihong/dengzhihong.htm
PrePost算法（论文题目：A New Algorithm for Fast Mining Frequent Itemsets Using N-Lists）下载地址：http://info.scichina.com:8084/sciFe/EN/abstract/abstract508369.shtml 或 http://www.cis.pku.edu.cn/faculty/system/dengzhihong/dengzhihong.htm
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
What does WeChat's Do Not Disturb mode do?
Feb 23, 2024 pm 10:48 PM
What does WeChat Do Not Disturb mode mean? Nowadays, with the popularity of smartphones and the rapid development of mobile Internet, social media platforms have become an indispensable part of people's daily lives. WeChat is one of the most popular social media platforms in China, and almost everyone has a WeChat account. We can communicate with friends, family, and colleagues in real time through WeChat, share moments in our lives, and understand each other’s current situation. However, in this era, we are also inevitably faced with the problems of information overload and privacy leakage, especially for those who need to focus or
CLIP-BEVFormer: Explicitly supervise the BEVFormer structure to improve long-tail detection performance
Mar 26, 2024 pm 12:41 PM
Written above & the author’s personal understanding: At present, in the entire autonomous driving system, the perception module plays a vital role. The autonomous vehicle driving on the road can only obtain accurate perception results through the perception module. The downstream regulation and control module in the autonomous driving system makes timely and correct judgments and behavioral decisions. Currently, cars with autonomous driving functions are usually equipped with a variety of data information sensors including surround-view camera sensors, lidar sensors, and millimeter-wave radar sensors to collect information in different modalities to achieve accurate perception tasks. The BEV perception algorithm based on pure vision is favored by the industry because of its low hardware cost and easy deployment, and its output results can be easily applied to various downstream tasks.
The computer frequently blue screens and the code is different every time
Jan 06, 2024 pm 10:53 PM
The win10 system is a very excellent high-intelligence system. Its powerful intelligence can bring the best user experience to users. Under normal circumstances, users’ win10 system computers will not have any problems! However, it is inevitable that various faults will occur in excellent computers. Recently, friends have been reporting that their win10 systems have encountered frequent blue screens! Today, the editor will bring you solutions to different codes that cause frequent blue screens in Windows 10 computers. Let’s take a look. Solutions to frequent computer blue screens with different codes each time: causes of various fault codes and solution suggestions 1. Cause of 0×000000116 fault: It should be that the graphics card driver is incompatible. Solution: It is recommended to replace the original manufacturer's driver. 2,
Implementing Machine Learning Algorithms in C++: Common Challenges and Solutions
Jun 03, 2024 pm 01:25 PM
Common challenges faced by machine learning algorithms in C++ include memory management, multi-threading, performance optimization, and maintainability. Solutions include using smart pointers, modern threading libraries, SIMD instructions and third-party libraries, as well as following coding style guidelines and using automation tools. Practical cases show how to use the Eigen library to implement linear regression algorithms, effectively manage memory and use high-performance matrix operations.
Do Not Disturb Mode Not Working in iPhone: Fix
Apr 24, 2024 pm 04:50 PM
Even answering calls in Do Not Disturb mode can be a very annoying experience. As the name suggests, Do Not Disturb mode turns off all incoming call notifications and alerts from emails, messages, etc. You can follow these solution sets to fix it. Fix 1 – Enable Focus Mode Enable focus mode on your phone. Step 1 – Swipe down from the top to access Control Center. Step 2 – Next, enable “Focus Mode” on your phone. Focus Mode enables Do Not Disturb mode on your phone. It won't cause any incoming call alerts to appear on your phone. Fix 2 – Change Focus Mode Settings If there are some issues in the focus mode settings, you should fix them. Step 1 – Open your iPhone settings window. Step 2 – Next, turn on the Focus mode settings
Explore the underlying principles and algorithm selection of the C++sort function
Apr 02, 2024 pm 05:36 PM
The bottom layer of the C++sort function uses merge sort, its complexity is O(nlogn), and provides different sorting algorithm choices, including quick sort, heap sort and stable sort.
Improved detection algorithm: for target detection in high-resolution optical remote sensing images
Jun 06, 2024 pm 12:33 PM
01 Outlook Summary Currently, it is difficult to achieve an appropriate balance between detection efficiency and detection results. We have developed an enhanced YOLOv5 algorithm for target detection in high-resolution optical remote sensing images, using multi-layer feature pyramids, multi-detection head strategies and hybrid attention modules to improve the effect of the target detection network in optical remote sensing images. According to the SIMD data set, the mAP of the new algorithm is 2.2% better than YOLOv5 and 8.48% better than YOLOX, achieving a better balance between detection results and speed. 02 Background & Motivation With the rapid development of remote sensing technology, high-resolution optical remote sensing images have been used to describe many objects on the earth’s surface, including aircraft, cars, buildings, etc. Object detection in the interpretation of remote sensing images
Can artificial intelligence predict crime? Explore CrimeGPT's capabilities
Mar 22, 2024 pm 10:10 PM
The convergence of artificial intelligence (AI) and law enforcement opens up new possibilities for crime prevention and detection. The predictive capabilities of artificial intelligence are widely used in systems such as CrimeGPT (Crime Prediction Technology) to predict criminal activities. This article explores the potential of artificial intelligence in crime prediction, its current applications, the challenges it faces, and the possible ethical implications of the technology. Artificial Intelligence and Crime Prediction: The Basics CrimeGPT uses machine learning algorithms to analyze large data sets, identifying patterns that can predict where and when crimes are likely to occur. These data sets include historical crime statistics, demographic information, economic indicators, weather patterns, and more. By identifying trends that human analysts might miss, artificial intelligence can empower law enforcement agencies
