Malware detection using machine learning githubcông việc

Hiện bên mình đang startup và trong thời gian ...một lợi thế Biết AngularJS hay các Framework JS khác là một lợi thế Biết thêm các Framework khác như Phalcon, Zend2x là một lợi thế Yêu cầu nâng cao (Không bắt buộc): Sử dụng tốt AngularJS, NodeJS Có thể sử dụng 1 hệ quản trị cơ sở dữ liệu No-SQL, Cassandra, Mongodb là một lợi thế Thành thạo Phalcon hoặc Zend2x Có khả năng phân tích và thiết kế hệ thống với dữ liệu lớn Đã từng sử dụng GitHub Yêu cầu chung: Có khả năng tìm hiểu, nghiên cứu công nghệ mới Có khả năng đọc tài liệu tiếng Anh Chi tiết công việc quí tới: Dev h...

1. Giới thiệu về E-Learning: E-Learning là hệ thống quản lý việc học tập và đào tạo. Với những thiết kế có tính mô-đun của E-Learning giúp cho chúng ta dễ dàng tạo mới và cập nhật các khóa học, hoặc đưa vào nội dung mới giúp học viên tham gia nhiệt tình hơn. E-Learning được thiết kế bởi các nhà giáo dục và các chuyên gia công nghệ thông tin. E-Learning lấy các hoạt động làm trung tâm của hệ thống quản lý các khóa học. Thông qua E-Learning, chúng ta có thể dễ dàng quản lý học viên và cá...

[Mô tả công việc] Chế tác Learning Contents và Character Animation dành cho trẻ em (3-10 tuổi) Character và Background Drawing trình độ cao cấp Soạn animation continuity và tạo diễn hoạt màn hình Phân tích storyboard và chế tác animation theo yêu cầu Chế tác thành thạo motion tween / frame by frame sử dụng Flash Lập kế hoạch & quản lý nhân viên trực thuộc [Yêu cầu công việc] -Có kinh nghiệm trên 7 năm làm việc ở lĩnh vực tương tự -Có chuyên môn trong lĩnh vực graphic, visual design, animation -Sử dụng thành thạo các tool graphic design như Flas...

Mình cần làm một luận văn về hướng xử lý ảnh, video như sau: - Bài toán phát hiện làn đường (lane detection, lane tracking) như video sau - Phát hiện và cảnh báo khi xe vượt quá làn đường, nhận dạng và đo khoảng cách xe đối diện. - Áp dụng phương pháp Hough Transform với việc nhận diện làn đường, phân tích đặc trưng Haar để nhận dạng xe ô tô. Do đó mình nghĩ bạn nên chia làm 2 bài riêng như sau: Bài 1: Bài toán phát hiện làn đường (lane detection, lane tracking) và cảnh báo khi xe vượt quá làn đường như video sau Áp d...

Mình cần làm một luận văn về hướng xử lý ảnh, video như sau: - Bài toán phát hiện làn đường (lane detection, lane tracking) như video sau - Phát hiện và cảnh báo khi xe vượt quá làn đường, nhận dạng và đo khoảng cách xe đối diện. - Áp dụng phương pháp Hough Transform với việc nhận diện làn đường, phân tích đặc trưng Haar để nhận dạng xe ô tô. Do đó mình nghĩ bạn nên chia làm 2 bài riêng như sau: Bài 1: Bài toán phát hiện làn đường (lane detection, lane tracking) và cảnh báo khi xe vượt quá làn đường như video sau Áp d...

Xin chào các bạn ! Mình cần một website để có thể : - Đăng các bài viết như một blog, cho phép người đọc miễn phí. - Cung cấp một khóa học online : Có phần đăng videos, tích hợp được tính năng của phần mềm đọc trực tuyến, có phần làm bài tập trắc nghiệm. Đậu phần bài tập mới qua được bài tiếp theo. - Chức năng đăng kí thành viên của khóa học ( Thanh toán ) bằng cách nạp tiền qua thẻ cào ( Quan trọng ), thẻ ATM các ngân hàng, ví điện tử ngân lượng, bảo kim. - Tích hợp công cụ tra từ điển trực tuyến của vdict. - Chức năng tìm kiếm như trang : Về giao diện : Th&...

Em có 1 cái tiểu luận nhỏ và cần code cho chương trình tách biên dùng biến đổi wavelet chạy trên GUI. Liên hệ: email: penguin.0990@ yahoo: penguin.0990 sđt: 0902834913 Mong hồi âm sớm. Cám ơn anh

Em có 1 cái tiểu luận nhỏ và cần code cho chương trình tách biên dùng biến đổi wavelet chạy trên GUI. Liên hệ: email: penguin.0990@ yahoo: penguin.0990 sđt: 0902834913 Mong hồi âm sớm. Cám ơn anh

Em có 1 cái tiểu luận nhỏ và cần code cho chương trình tách biên dùng biến đổi wavelet chạy trên GUI. Liên hệ: email: penguin.0990@ yahoo: penguin.0990 sđt: 0902834913 Mong hồi âm sớm. Cám ơn anh

I worked incredibly hard for over a year to bring you a top-notch learning program with Freelancer.com that was never revealed before… It's not just about teaching you everything I know and sharing my journey to the #1 amongst 70 million people; it's also about connecting you with a great community.. Once you complete the program and pass the test, you'll earn an exclusive badge that very few people get.. But.. Also, you get all of the following INCLUDED with NO HIDDEN COST in a YEARLY price of 129 USD: ➡️ Be among the elite few to earn the new IFC badge on your profile so that you can stand out! (Upon successful completion of the test) - Priceless! ➡️ Unlock hours of groundbreaking video content I’ve been working on for months that's nowhere el...

I need an expert to further optimize my existing CNN model that currently has an accuracy rate of over 80%. Despite the high performance, I believe there's room for improvement. Required Skills & Experience: * Extensive experience with Convolutional Neural Networks (CNNs) * Proficiency with text data processing * Track record of improving the accuracy of machine learning models Job Scope: * Review the current model and identify potential areas for improvement * Implement strategies to increase training speed and minimize overfitting * Improve the model's overall accuracy * Maintain detailed documentation on the steps taken and their impacts Despite the model's high initial accuracy, I'm ambitious about reaching even higher stats. If you're a...

We are looking for part-time resources who support the deployment of our Moodle based learning management system (LMS). Key responsibilities will include: - Designing content in Canva, Moodle, and iSpiring: Bring creativity and visual appeal to the content design (e.g. slides, presentations, quizzes, SCORM content, audio video material, etc). Ideal candidate should be able to manage coursework for basic CBSE curriculum (English, Maths, Science, Social Science for classes LKG-X) - Moodle site and user administration: You will be responsible for the day-to-day administration of our Moodle site. Key tasks will include user administration and course management. An understanding of Moodle administrative functionalities would be preferrable. We particularly keen on finding someone wh...

...interconnected. Each Global Enterprises office will have its own Local Area Network (LAN) designed to provide network connectivity for all devices within that location. These LANs will be interconnected to form a Wide Area Network Key Features you will implement: - Firewall Configuration - VLAN Setup - VPN Configuration - Routing Protocol Configuration - DHCP Server Integration - Intrusion Detection and Prevention Systems (IDS/IPS) For monitoring and management purposes, it is crucial that a successful ping request can be made. Furthermore, it's necessary to assign suitable IP addresses within the networks. Ideal candidate should have a strong background in network architecture design with a proven track record in implementing security protocols for global enterpr...

Small object detection based on texture features classification and segmentation from images. I need this project in one week with satisfactorily results. I have uploaded a pdf and a image of model for your reference.

A program in Racket/Scheme that implements a parser in its code, controlled by an LL1 grammar of at least 5 rules and performing, for example, validation/translation of some text input. The output of the program will be e.g. input value recognition, translated text or error detection. See an "example 1" . You can use functions fot this example, but the grammar must be you own. Using of recursive descent parser is recomended - see "example 2". General rules: Note that calling a ready-made function from the library is not sufficient to accomplish this task. Your own code must contain a visible algorithm. Your program must work according to the documentation. All documentation must be written in the source code . The program must include: (in source cod...

I'm in need of an artificial intelligence video editor. However, the exact requirements are yet to be clearly defined. The programmer should have a profound understanding of AI and video editing software. I'm looking for someone who can provide suggestions ...perform are yet to be finalized. Suggest what could be the most useful applications here. -Purpose: There isn't a specific purpose for the video editor yet. It could range from automatic video editing to enhancing video quality or creating special effects. Overall, I'm seeking someone who can guide me in this project, making educated suggestions on what could work best. Knowledge in AI, machine learning, and video editing software are crucial for this project. Previous experience in creating AI for ...

I'm in need of assistance for setting up a PostgreSQL database on my backend GitHub website. The primary purpose of this database is to store user data. Given the nature of my website, it's essential that the database supports concurrent access efficiently. The ideal professional will have: - Proficiency in setting up PostgreSQL databases. - Experience with integrating databases into backend GitHub projects. - Knowledge of concurrent access management in databases.

...Ventilation, and Air Conditioning) system designs including ductwork layout, equipment sizing, and location of air handling units. Plumbing layout plans showing supply and drainage systems for water supply, fire suppression, and sanitation. Fire protection system designs, including sprinkler layout, pipe sizing, and location of control valves, in compliance with NFPA codes and local regulations. Gas detection and ventilation system designs if applicable, ensuring safe operation of the facility. Specifications for mechanical equipment such as chillers, pumps, and water heaters, including their capacity, location, and connection details. Coordination with structural and architectural drawings to ensure proper placement and support of mechanical equipment and penetrations. Coordinat...

I'm currently looking for an expert in hybrid machine learning models, specifically for the ARIMA, GCN, and LSTM components. Key improvements needed: - ARIMA: - Improved accuracy of predictions - Reduced computation time - Better handling of seasonality - GCN: - More effective integration of graph structure - Enhanced extraction of features Skills and Experience Required: - Extensive knowledge in ARIMA, GCN, and LSTM - Proven experience in improving hybrid machine learning models - Proficiency in handling seasonality in data - Ability to work efficiently and reduce computation time. - Skilled in incorporating graph structure and improving feature extraction.

I'm in need of a...The purpose is for security training, so the focus is on creating realistic simulations of phishing attacks. Key Requirements: - Simulating Email, Spear, and Direct Phishing Attacks: I aim to cover a wide range of scenarios to better prepare my team for potential threats. - Intermediate Level Difficulty: The environment should challenge my team without being too overwhelming, ensuring effective learning outcomes. Skills and Experience: - Prior experience in setting up phishing environments; specifically, experience in creating intermediate level simulations would be a plus. - In-depth knowledge of different types of phishing attacks and their characteristics. - Understanding of cybersecurity best practices and knowledge of how to effectively simulate real-w...

I have my school app. Want add chat. I’m using in my web manafio chat you can find source online GitHub. I need someone to add it in my existing app.

I'm searching for an experienced Articulate Rise 360 professional to rectify a flaw within the navigation function of a small e-learning project. The issue presents itself with the multiple-choice block, which currently only permits a single correct response. Ideal Skills and Experience: - Proficient in Articulate Rise 360 - Background in e-learning module design - Superior problem-solving skills - Attention to detail to ensure navigation functionality Your task is rather straightforward but vital: - Modify the multiple-choice feature to allow more than one correct answer - Keep the overall integrity of the project intact - Ensure the fix doesn't induce any other issues in the file This is a relatively small job, but successful execution might lead to more ...

As part of my academic requirements, I produce thesis reports that are over 100 pages in length. I've been using Turnitin for plagiarism detection but need a specialist who can ensure that my thesis reports are free from plagiarism or below 1 Key requirements include: - Proficiency in using Turnitin: I'm currently using Turnitin for my plagiarism checks, and would expect the specialist to be able to thoroughly utilize this tool to catch any instances of plagiarism. - Deep understanding of plagiarism detection: I need a freelancer who can provide a thorough and comprehensive approach to identifying and reducing plagiarism in my reports. - Attention to detail: Given the sheer length of my reports, it's essential that the specialist has a ke...

I'm looking to develop a MatLab algorihm to extract the differential time of flight from a stereo source. The purpose is to use this DToF to derive the DoA (Direction of Arrival)

As a beginner in photo editing, I'm seeking a professional photo editor with solid experience in both enhancing image quality and adding special effects. I primarily use a PC for editing, but it doesn't restrict to a particular operating system. Skills Required: - Proficiency in photo editing software (explicit Windows, Mac, or Linux proficiency not required) -...doesn't restrict to a particular operating system. Skills Required: - Proficiency in photo editing software (explicit Windows, Mac, or Linux proficiency not required) - Strong ability to enhance photo quality - Skill in adding creative and appropriate special effects to photos Please include examples of your previous work in these areas when bidding. I look forward to collaborating with and learning from...

...the field of Education Technology, particularly in trends and effective teaching strategies. - Be able to engage with the audience effectively, and create a webinar that encourages interaction and participation. Key deliverables include: - A 30-60 minute webinar that effectively covers the topics of Education technology trends, Effective teaching strategies, and Engaging students in online learning. - Incorporation of interactive elements such as Live Q&A sessions, Polls and surveys, and Interactive quizzes to make the webinar engaging and informative. - Provide insight and recommendations on how to enhance the webinar to maximize audience participation and engagement. If you have the necessary skills and experience to create an engaging, informative and interactive webi...

We need personnel for installation service, training staffs at hospital and on-site check when incidents occur Product: Kiosk machine Location: Cambodia

Vui lòng Đăng Ký hoặc Đăng Nhập để xem thông tin.

I'm looking for a skilled and enthusiastic Nursery Teacher, specifically for the age group of 3-5 years old pr...Responsibilities: * Introduction and constructive teaching of the piano to preschoolers. * Creation of a fun, creative environment that supports play-based learning. * Foster social-emotional development through musical education. Skills & Experience Required: * Previous experience teaching piano to children. * Great versatility to translate music into a playful learning approach. * Background or strong understanding of child development, especially for preschool-aged children. * Past experience in nursery or music education is preferred. In summary, if you love music, teaching, and feel delighted to exploit the wonder of youth learning, you a...

I'm seeking a Mix Engineer proficient in Logic Pro X to assist me in setting up my vocal chain for recording, and provide guidance on mixing and mastering vocals and beats....Extensive experience working with Hip-hop/R&B music The project will involve a Zoom call where you'll guide me through: - Setting up an effective vocal chain for recording in Logic Pro X using Waves plugins. - Providing insights and best practices for mixing and mastering vocals and beats - Addressing any specific queries I may have related to the software and the process Your expertise in this area will be crucial as I aim to optimize my recording environment and learn how to enhance the quality of my mixes and masters. A patient and clear communicator is preferred to ensure a smooth and constr...

I'm currently dealing with some issues on my image processing algorithm implemented in C++. The main problem is that the line detection accuracy isn't up to par. Improvement in this area is urgently needed. Requirement Details: * Fine-tune or fix the algorithm to increase line detection accuracy. Ideal Candidate: * Expertise in C++ programming * Experienced in working with image processing algorithms * Knowledgeable in tweaking algorithms for accuracy improvements. Please note, clarity or resolution aspects were not addressed; your primary focus should concern the accuracy of line-detection. I look forward to a positive resolution with your skills.

I'm currently seeking a skilled tutor to assist me in two key areas of MS Project - Scheduling and Task Dependencies. My current proficiency in MS Project is considered...considered intermediate. I'm looking to improve these skills and advance to a more professional level with the software. I learn best through practical, hands-on exercises. This means that I'm looking for a tutor that can provide me with interactive, project-based learning experiences. Ideal Skills and Experience: - Proficiency in advanced MS Project features, particularly in Scheduling and Task Dependencies - Previous experience in tutoring or teaching MS Project - Ability to create engaging, practical exercises for effective learning - Excellent communication skills to convey complex co...

...comprehensive tutoring services tailored to your learning needs. **What I Offer:** 1. **SQL Mastery:** From basic queries to advanced database management, I'll guide you through understanding SQL syntax, optimizing queries, and database design. 2. **Excel Expertise:** Whether you're a beginner or looking to enhance your Excel skills, I'll cover everything from formulas and functions to data visualization and automation. 3. **Python Proficiency:** Dive into the world of Python programming with personalized lessons covering fundamental concepts, data manipulation, scripting, and more. **Why Choose Me?** - **Tailored Approach:** Each lesson is customized to your skill level and learning style, ensuring efficient progress and comprehension. - **Hands-On ...

I'm in search of a skilled vocal coach who can provide online lessons, specifically focusing on R&B. Ideally, you would conduct these sessions twice a week or more. Key requirements: - Experience with online vocal coaching - Ability to teach R&B and Pop singing techniques - Availability for twice weekly lessons - Patience and an encouragi...or more. Key requirements: - Experience with online vocal coaching - Ability to teach R&B and Pop singing techniques - Availability for twice weekly lessons - Patience and an encouraging teaching style to help a beginner like me develop skills Please consider the weekly commitment, as well as your familiarity with R&B singing, before applying for this project. I'm excited to embark on this learning journey and app...

Using the resources that I provide create a two stages(AKA levels) using the sprites that i provide and animate them along with a character sprite that i will also provide you with. Also create a sound class that will contain the some of the audio files given. There will be a general sound for the game that will loop. When the character does a certain action, a sound is played, whether it is the sound of a sword, jumping, whip or being hurt. When transitioning from level to level(PNG images i sent) the character will walk to the end of the screen and transition to other sprite level(other png image). *Note* Do not use game engine *Note* make use of the Rect classes in order to create the effect of collision detection in order to create the levels. *Note again* not all ...

...work environment that fosters my professional development. Ideal Skills & Experience: - Strong willingness to learn and grow - Basic understanding of technology concepts - Excellent communication and interpersonal skills I'm particularly interested in companies that provide opportunities for growth and development, where I can work with a supportive team that values and encourages continuous learning and skill development....

start with a backend laravel project, with html frontend readed and admin dashboad template i will do it, create slowly and i learn it i cannot pay much.. i can work only usd 3 hours... using anydesk... so you can start your career in freelancer with my review 5 stars every usd 15 (every 5 hours ) as a single project .. in return of teach me in low budget Type 332 prove u read my message or else all rejected with out say hi to u this work is permenent, if you suddenly get a high salary job and disappear then please dont take this job sir, thanks using github as well work immediately

I am seeking an expert in Supervised Machine Learning to help design, train, and implement a model that can predict the progression of tooth decay and gum disease in patients based on a variety of health factors. Key Deliverables: - Develop and train a Supervised Machine Learning model - Validate the accuracy and reliability of the model - Integrate the finalized model into our existing systems The ideal candidate would have: - Extensive experience with Supervised Machine Learning - Knowledge of dental diseases, especially tooth decay and gum disease - Prior Machine Learning projects in the healthcare field would be a plus The ultimate aim is to make strides in the early identification and treatment of these commonplace denta...

I'm looking for a capable designer who can create a modern style title card for a jukebox. Key Requirements: - The design must be modern in style - The final deliverable should be in a word or excel forma...the song title and artist in the right portion - A photo element should also be incorporated for visual appeal in the left portion. I'd like a card similar to the one you see here. It's exactly 18cm wide x 12cm high. However, the photo portion should be smaller, as the text does not contain the Artist, which I need. I have attached some examples here. Photos # 4 5 and 6 are from my actual machine. I need to edit and make 100 of these. There should be 22 columns on the right side for the Number Title and Artist text. Ideally, I would like to fit 2 to a...

I'm seeking an expert in Python who can help me build a system for object detection in images. I don't have a specific list of objects in mind as of now, hence your role will involve creating a flexible and adaptable model. Key Tasks: - Develop a Python program that can accurately identify the nature of objects in any given image. - Ensure the program is adaptable to a variety of objects. - Test the program extensively for accuracy. I'm not in a hurry for this project as I value quality over speed. However, we can discuss project timelines to suit both our schedules. Ideal Skills: - Extensive experience in Image Recognition and Python coding. - Good understanding of various machine learning algorithms suited for this task. - Proven history of creating...

Hello Dear freelancers I have Native Hebrew (Israel) voice recording project. (no machine voice acceptable) Recording sentneces- 1284 sentence (Short and Long phreses) Each. payout - $35 Deadline - 20th May all work through in our application. For this poject we need 10 sentneces as a sample work. Note: In sample files we only check enviroment we will not check your accent . So please apply only Native Hebrew (Israel) people for this job) we release milestone when we will get feedback ( after 15-20 days). We accept correct pronounceation and after feedback if you face redo you have to do redo work first then we will pay. Thanks

...Style: Jeans, chinos, joggers, cargo, track pants, parachute, shorts, capri, cargo shorts. - Fit: Relaxed, skinny, straight, flared, bootcut. - Color: All. - Pattern: Stripes, plaid, solid, checks, washed, frayed, distressed, camouflage, herringbone, houndstooth. - Trims: Button trim, rivet, belt, elastic waist, buckle, zip, and drawstring. The ideal candidate will have experience with machine learning and image classification, and a strong understanding of fashion, particularly men's trousers. The ultimate goal is a tool that can be used to classify men's trousers accurately according to these parameters from digital images....

We're seeking an experienced professional to enhance our product recommendation system through image and text matching with embedding. More specifically: - We ...utilize this upgrade to refine the accuracy of our e-commerce product suggestions. - Our current system deals with product images coupled with relevant text details. Your skills will be applied to this type of content. - An ideal candidate would possess ample experience in creating or optimizing visual search or recommendation algorithms. - A critical aspect of this project revolves around the detection and management of duplicate products. Proven experience in such tasks will significantly increase your chances of being selected for this project. We look forward to discovering new ways to accomplish our goals with ...

...development to prevent vulnerabilities and ensure a robust app. Key Skills and Experience: - Proven experience in policy development within the IT sector. - Strong understanding of safety, customer service, and data privacy policies. - Knowledge of risk management, remote access, and network security practices. - Expertise in secure software development and capacity management. - Experience in anti-malware, backup recovery, and incident management. - Familiarity with business continuity, IT audits, supplier management, and information security. - Ability to implement a code of conduct, terms and conditions, and internal complaints handling mechanism. - Proficiency in alternative dispute resolution, data retention mechanisms, and internal infosec awareness. - Strong grasp of secu...

...skillful professional to develop a reinforcement learning game agent for me. The project is aimed at creating an agent that can master a particular game environment of my choosing. Key requirements include: - Developing a robust reinforcement learning algorithm which can efficiently learn and adapt within the game environment. - Implementing a strategy for the agent to consistently improve its gameplay until it reaches a mastery level. - Ensuring the process is well-documented for future reference. Ideal skills for this project include: - Proficiency in reinforcement learning algorithms and their practical application. - Experience in developing game agents or similar AI projects. - Strong problem-solving and analytical skills to refine the learning proces...

I am looking for a competent AI assistant to aid me with d...proficient in Python and C#, and have a working knowledge of Markdown. The assistant should be: • Able to parse and interpret huge amounts of data • Capable of conducting thorough web research independently • Experienced in pilot code implementation • Comfortable working within a Windows Operating system Ideally, the successful candidate will have experience in data analysis and machine learning. Experience with the Windows operating system is a must. Understanding of other platforms is a plus. This is a great opportunity for freelancers who have a knack for detailed analysis and have hands-on experience with AI assistants. Please include examples of any relevant projects in your...

I'm in need of a specialized expert to carry out an implementation of the NTT (Number-Theoretic Transform) module on a Xilinx Artix-7 FPGA. The main objective of this project is to enhance computational performance. Key requirements include: - Proficient understanding of FPGA programming, particularly expertise in the Xilinx Artix-7 platform. - An in-depth experience in Number Theoretic Transforms. - Ability to develop a highly efficient, low latency, energy-efficient implementation that significantly boosts computational performance. Please only bid if you feel fully confident in meeting these requirements. Your expertise in this niche task will be highly valued.

I'm in need of a statistician who can perform an in-depth T-test analysis using SPSS. I have a dataset ready for analysis. Key requirements: - T-test analysis: The core of this project is performing T-test analysis. - SPSS expertise: Proficiency in SPSS is a must, as it's the preferred software. - In-depth analysis: I don't just need basic summary statistics. I'm looking for a detailed and insightful interpretation of the results. Experience and Skills: - Advanced statistical background, particularly in T-test analysis. - Proven experience with SPSS and the ability to use it for complex analyses. - Strong interpretation skills to provide meaningful insights from the analysis.

I'm looking to set up a comprehensive Moodle site to house my fitness video courses. The site will need to be user friendly and conducive to a seamless video learning experience. Key Requirements: - Set up the Moodle platform and integrate it with a video hosting service - Design a user-friendly, visually appealing interface - Organize and categorize video courses effectively - Ensure the site is responsive and mobile-friendly Ideal Skills and Experience: - Proven experience with Moodle LMS - Experience in video course integration - Proficiency in UI/UX design - Understanding of e-learning best practices - Strong communication and project management skills The project will involve setting up many video courses, accessed in the form of YouTube videos (links). Let me k...

Vui lòng Đăng Ký hoặc Đăng Nhập để xem thông tin.