J7 samsung priceงาน

I need a logo designed. อยากให้มีการจัดธีมของมือถือรุ่น Samsung kalacxyเเนวใหม่2018ได้ไหมคะ

ต้องการระบบรับ Realtime feed จากตลาดหลักทรัพย์ (SET/TFEX) ข้อมูลที่ต้องการได้แก่ Ticker/BidAsk5ช่อง/CandleStick 1MIN/15MIN/30MIN/60MIN

I want a logo and clothing design specialized for young adults. The aim is to achieve brand recognition rather than professionalism or engagement. So, my ideal freelancer will have the following skills and experience: - Logo and clothing design - Knowledge of youth trends - Success in creating logos that boost brand recognition What I'm looking for: - Creativity: I want unique designs that will capture the attention of young adults - Fusion: The logo and clothing designs should integrate seamlessly with each other. - Longevity: The designs should be timeless, so that they remain relevant and attractive to the intended audience over a long period of time. This project is all about brand recognition, so the designs you come up with need to be compelling, visually striking and be able...

I am in need of a skilled QA professional who can meticulously test mobile applications and websites, identifyin...identifying bugs and ensuring they are addressed before the software goes live. It's key to have the most recent iPhone and a Samsung Galaxy, as the platforms need to be tested across these devices. Key Responsibilities: - Review mobile apps and websites - Detect and report bugs - Ensure issues are resolved - Communicate with developers effectively - Test across the latest iPhone and Samsung Galaxy What I'm Looking For: - Proven experience in QA testing - Proficiency in detecting and resolving functional bugs, performance issues, and user interface glitches - Excellent communication skills to report bugs and issues effectively - Ownership of the lates...

Seeking ML expert (MSc/PhD) to implement hybrid DCN model for Bitcoin price prediction using Python. Tasks: data collection/preprocessing, EDA, model training/evaluation, results analysis & report writing. Ideal candidate has experience in financial forecasting & cryptos.

...successful installation of MLC Chat on Windows 11, outlining each step with appropriate screenshots and explanations. - The guide should include troubleshooting tips to address possible installation issues that users might encounter. *All pre-requisites setups need to be included too - NDK, Cmake etc* Assume non-IT person or 10year old is following your instructions The test device will be a Samsung Note 21 NOT using Anaconda/Conda - just basic PATH settings etc on Windows. NOT using Koltin - using Java ** I suggest you have have installed MLC Chat and created the APK file to understand the challenges the guide you are writing needs to address ** Ideal Skills: - Proficiency in Android Studio and experience with software installation and deployment. - Excellent technical writi...

I'm looking for an experienced freelancer who can create an Excel calculator for historical cryptocurrency prices from Binance and Luno. The calculator should also include fiat exchange rates for major currencies such as ZAR/USD bank sell rates Key Requirements: - Retrieve historical price data from Binance and Luno - Incorporate USD, and ZAR exchange rates - Organize the data and create user-friendly interface - Ensure accuracy and reliability of the calculator - Prioritizing the preservation of data privacy Ideal Skills: - Proficiency in Excel and data manipulation - Familiarity with cryptocurrency exchange APIs - Knowledge of major fiat currency exchange rates - Strong analytical and problem-solving abilities Please include your relevant experience in your application. Th...

I'm looking to set up a platform where I can sell digital products. Key Requirements: - I'd like customers to be able to download their purchased products directly after they make a purchase. - The platform should support cryptocurrency payments for the purchases. Ideal Skills and Experience: - Experience in setting up online sales platforms, preferably for digital products. - Knowledge of cryptocurrency payment systems. - Understanding of user-friendly download processes for customers. Please let me know your experience in this area and how you would approach this project.

I'm a digital affiliate marketer who needs a comprehensive product cross-referencing and price comparison tool developed for my e-commerce website. The tool should be capable of processing data from around 30,000 products across 5-10 different stores. Key Requirements: - Cross-reference 30,000 products from 5-10 stores: The tool should be able to analyze and compare prices for a substantial number of products across multiple listed stores. - Avoiding Captcha and ad blockers: The tool should be designed to function effectively while avoiding common barriers like Captcha or ad blockers. - User-friendly filters: The tool should offer a variety of filters to help users refine their search results. - Display results directly on product pages: The comparison results should be in...

Needing a semi-annual price update on our extensive sewing thread inventory, which surpasses 200 different colors and types. This project requires keen attention to detail and strong organization skills to accurately track prices. Ideal Skills: - Strong numeracy and detail-orientated abilities. - Prior inventory and pricing experience in the textile industry is preferred. - An understanding of the variety and pricing of sewing threads.

I have developed a strategy in Amibroker AFL that I need converted into TradingView Pine Script. The primary function of the current code is to execute trading decisions based on the conditions of the market. **** 1 MORE CONDITION TO BE ADDED MENTIONED IN TXT FILE ATTACHED******* ***** FIXED PRICE RS. 3000/- ONLY ******* Key requirements: - Conversion: The Amibroker AFL strategy needs to be converted to TradingView Pine Script. The converted script should retain the functionality and logic of the original. - Optimization: The Pine Script should be optimized for performance on the TradingView platform, ensuring efficient execution and minimal latency. - Strategy understanding: It's crucial that the freelancer understands the trading logic and conditions embedded in the Amibroker...

start your bid with. I agree with 10 AUD Need to edit included images (check attach). 1. Are you able to restore face and hand? 2. Are you able to restore color? (not important ) I think you already know, Before I have plached a contest for this task . They havn't done to restore hand .You can check. https://www.freelancer.com/campaign/0CMS2405561/?l=contest%2FOld-photo-restore-Multiple-winners-2405561

I'm in need of a professional who can help me update the prices of hotel bookings in real-time from Airbnb to my website. Key Responsibilities: - Establish and maintain a real-time synchronization mechanism between Airbnb and my website to update hotel booking prices. - Ensure that the synchronization process is seamless and accurate. Ideal candidates should possess: - Proficiency in web development and API integration. - Prior experience with Airbnb API integration is highly desirable. - Strong understanding of e-commerce and online booking systems. - Excellent problem-solving skills for seamless synchronization. - Smooth and effective communication skills. Your role is crucial in ensuring our customers get the best rates and a seamless booking experience. Please reach out if you...

I'm in need of a professional who can help me update the prices of hotel bookings in real-time from Airbnb to my website. Key Responsibilities: - Establish and maintain a real-time synchronization mechanism between Airbnb and my website to update hotel booking prices. - Ensure that the synchronization process is seamless and accurate. Ideal candidates should possess: - Proficiency in web development and API integration. - Prior experience with Airbnb API integration is highly desirable. - Strong understanding of e-commerce and online booking systems. - Excellent problem-solving skills for seamless synchronization. - Smooth and effective communication skills. Your role is crucial in ensuring our customers get the best rates and a seamless booking experience. Please reach out if you...

I'm seeking a reliable freelancer to import vendor pricing data into Sage. The data is currently stored in a CSV formatted Excel spreadsheet, with data cleaning required prior to import. The project will entail: - Cleaning the vendor pricing data as required - Successfully importing clean data into Sage Ideal Skills: - Proficient in Excel and its functionalities, especially CSV format - Experience in data cleaning - Demonstrated proficiency in Sage, particularly in data import functions - Attention to detail is crucial for this task This task requires a freelancer with the right blend of skills in Microsoft Excel and Sage software to ensure smooth, error-free integration of vendor pricing data.

I'm looking for a Shopify expert to help me with a couple of specific tasks on my online store. Key Requirements: - Bulk Price Adjustment: I need to adjust the prices of a range of products. This will require editing them in bulk to save time and avoid manual entry errors. - Variant Editing: I also need assistance with editing product variants. This includes adding new variants, changing existing ones, and ensuring they're correctly linked to the products. Access to my Shopify store: You'll be provided with a staff account with limited permissions. This will allow you to access the necessary sections to make the changes required without compromising the overall security of my store. Application: Please include details of your previous relevant experience working w...

I'm in need of an expert artificial intelligence and machine learning researcher to deliver an in-depth, insightful paper on stock price prediction. Key details include: - Focus Area: The paper should major on the application of Natural Language Processing (NLP), Computer Vision, and Reinforcement Learning in stock price prediction. Your specialty in these areas is of utmost importance. - Time Frame: Particular attention should be concentrated on short-term predictions, within a span of 1 week to 3 months. - Methodology: You'll apply Time-series analysis for the predictions. Your familiarity with this methodology will be a great advantage. I desire a paper characterized by depth, clarity, and originality. Reasons, facts, and data to substantiate points are essenti...

post photos specification and price from website to to offer uo 100 golf cartsPM me. You must be familiar Offerup, country. Hi, I need to copy about 100 items from 2 website to to a new account. Need all pictures, descriptions copied over. Only difference is price. will have some photos and some videos

I'm looking for an experienced professional who can help me with backlinks to increase my website traffic. Key Points: - I have a strong preference for backlinks from industry-specific blogs, but open to suggestions. - Your primary goal should be to help me drive more relevant traffic to my site. Experience: - Proven track record of successfully creating backlinks - Experience in SEO and driving website traffic - Understanding of industry-specific blog markets is a plus

More details: What specific skills are you looking for in a full stack developer? Front-end development, Back-end development, Database management What programming languages and frameworks should the full stack developer be proficient in? Are there any specific integrations or APIs that the full stack developer needs to have experience with?

RESIDENT EVIL5 THUMBNAIL NEED AND THIS IS A SERIES SO MORE WILL BE PAID EVENTUALLY HAS THE SERIES GOES ALONG. IF I LIKE YOU ENOUGH YOU'LL BE HIRED FULL ON TO MAKE 40$ A THUMBNAIL. IM GOING TO NEED MY CHARACTER DRAWN HAS CHRIS, AND MY FRIEND NAMED KAKASHI DRAWN IN A SHEVA LIKE OUTFIT WHILE STILL BEING KAKASHI SENSE. Key Requirements: - Cartoon Illustration: The thumbnails will need to be created primarily in a cartoon style, so prior experience in this area is a must. - YouTube Experience: A good understanding of what makes an effective YouTube thumbnail is key. Experience in creating thumbnails for YouTubers or content creators would be highly beneficial. - Design Skills: An eye for design is crucial, ensuring that the thumbnails are visually appealing while still maintaining a balan...

RESIDENT EVIL5 THUMBNAIL NEED AND THIS IS A SERIES SO MORE WILL BE PAID EVENTUALLY HAS THE SERIES GOES ALONG. IF I LIKE YOU ENOUGH YOU'LL BE HIRED FULL ON TO MAKE 40$ A THUMBNAIL. IM GOING TO NEED MY CHARACTER DRAWN HAS CHRIS, AND MY FRIEND NAMED KAKASHI DRAWN IN A SHEVA LIKE OUTFIT WHILE STILL BEING KAKASHI SENSE. Key Requirements: - Cartoon Illustration: The thumbnails will need to be created primarily in a cartoon style, so prior experience in this area is a must. - YouTube Experience: A good understanding of what makes an effective YouTube thumbnail is key. Experience in creating thumbnails for YouTubers or content creators would be highly beneficial. - Design Skills: An eye for design is crucial, ensuring that the thumbnails are visually appealing while still maintaining a balan...

I am seeking a freelancer to develop a system for comparing prices of different products across various e-commerce websites. The requirements are outlined below: - The system must automatically pull and update product pricing information from multiple online sources. - The application should identify and clearly highlight any price differences. - An intuitive interface that enables easy viewing and understanding of the price comparisons is preferred. - The ability to handle with cases such as CAPTCHA, implementing delays upon request, and to avoid being blocked. It would really help if you have prior experience in the e-commerce sector along with skills in web scraping, data mining, and automation. Familiarity with APIs of popular e-commerce platforms like Amazon, eBay, or A...

I'm looking for a talented designer to create a visually captivating image that will serve as the primary element of a yellow background on Canva. The design should be engaging and polished, as it will be the focal point of the background. Key Requirements: - T...element of a yellow background on Canva. The design should be engaging and polished, as it will be the focal point of the background. Key Requirements: - The design should be image-based, as I've chosen to include images over text or geometric shapes. - While I didn't specify a particular style for the images, I encourage creativity and innovation in this design. Please note that I've set a fixed price of 1 dollar for this project, but rest assured that a positive feedback is guaranteed upon the succ...

I'm looking for a talented professional who can create a substantial number of quality backlinks for my website. Key Requirements: - The primary aim is to improve website visibility. The backlinks should therefore support this goal directly. - You're encouraged to get creative and leverage your expertise to deliver the best results possible. Ideal Skills & Experience: - Proven experience in creating backlinks - Understanding of SEO best practices - Strong communication skills - Ability to work within a limited budget The type of websites the backlinks should come from is not specified, so you have the flexibility to make choices based on your expertise and experience. Your work will be highly appreciated and you can expect awesome feedback for a job well done.

Please ensure you have the necessary expertise for this task, as I will be reviewing it from multiple perspectives. If it fails to meet basic expectations, I will request cancellation of the assignment. THE DELIVERABLES CONSIST OF 3D EXTERIOR VIEWS OF A MULTI-STORY HOUSE (TWO OR THREE FLOORS), PRESENTED FROM MULTIPLE PERSPECTIVES AND ORGANIZED ACCORDING TO THE DESCRIPTIONS AND FILES PROVIDED. We are seeking a highly skilled 3D artist to create a realistic model of an existing house, intended as the foundational visualization for a detailed housing modification plan. Site Specifications: Here is the geolocation to see the surounding houses: (4°04'41.6"N 9°44'48.1"E) • The current and future villa are enclosed within a barrier that includes a car entry ...

I'm in need of a web scraping expert who can extract daily car rental prices from and deliver this data to me in Excel format. Key Requirements: - Extract car rental prices from - US based locations - Deliver the scraped data in Excel format Ideal Skills and Experience: - Proficient in web scraping - Experience in extracting data from dynamic websites like - Able to automate daily data extraction - Proficient in delivering data in Excel format

Hello, I want to set up a binary options site. It will be exactly like the IQ OPTION site. I would appreciate it if friends who have experience in this field could write and contact me. Friends who can do the installation, including the script, I am waiting for an offer from you, thank you. I WOULD LIKE TO REQUEST THE SCRIPT AND INSTALLATION FEE. IF YOU HAVE ONE, COULD YOU SHARE A SIMILAR PROJECT YOU HAVE DONE BEFORE? THANK YOU. I have attached the site script and similar ones, I would appreciate it if you could take a look.

I have a digital menu with less than 50 items and require assistance on updating the prices. Key Responsibilities: - Implementing updated prices for less than 50 items on the menu - Ensuring the menu i...digital menu with less than 50 items and require assistance on updating the prices. Key Responsibilities: - Implementing updated prices for less than 50 items on the menu - Ensuring the menu is user-friendly and easy to navigate post-update - Providing advice on optimal pricing strategies, if possible Experience Required: - Proficiency in digital menu management - Previous experience in menu price updates - Understanding of user experience design, particularly in digital menu interfaces This is not a one-off project as I may need help occasionally, so a long-term engagement is...

I'm looking for a skilled designer to help me revamp my website and print price page. We are using Wordpress / Woo Commerce I'm a business owner and we're looking to give our site and price page a fresh, updated look. Your job will be to: - Collaborate with me to understand our brand and vision - Propose a new design that aligns with our brand identity - Redesign the website and price page accordingly Ideal candidates for this project should have: - A strong design portfolio with prior experience in website and print design - Excellent communication skills to understand and implement my vision - The ability to adhere to deadlines and deliver high-quality work

I am seeking an experienced arts and craft Instructor who can host beginner-level classes at our hotel once a week. The instructor should be able to lead an arts and crafts or painting class once a week to the families staying on-property. Key responsibilities will include: - Conducting weekly sessions for guests - Preparing what arts and crafts will be made - Inspiring and encouraging creativity among guests while maintaining an enjoyable learning environment Ideal Skills and Experience: - Established background and experience in art instruction in the hospitality industry - Excellent Understanding and patience to teach beginners - Past experience working with diverse groups and different age ranges would be an added advantage. The perfect candidate should demonstrate a hands-on appr...

Create LSTM model in python to predict price for six month in the future.

Hola, Tenemos un canal de YouTube que habla sobre las fascinantes historias detrás de algunas de las empresas y marcas más grandes del mundo. Estamos buscando un guionista talentoso con quien podamos trabajar a largo plazo para ayudarnos a escribir guiones originales para nuestro canal. ¿Sabías que Samsung comenzó vendiendo pescado seco? ¿Te has preguntado cómo Crocs convirtió unos zapatos feos en un producto de moda? ¿o cómo un logotipo de $35 se convirtió en uno de los logotipos más reconocidos del mundo? Estas son algunas de las historias fascinantes que nos gustaría compartir en nuestro canal. Responsabilidades: - Investigar y desarrollar contenido que sea informativo, preciso y alinea...

Hi, We run a YouTube channel about the fascinating backstories behind some of the biggest businesses and brands. We’re looking for a talented scriptwriter we can work with on a long-term basis helping us write original scripts for our channel. Did you know Samsung originally started off by selling dried fish? Ever wondered how Crocs turned ugly shoes into a fashion product? or how a $35 logo turned into one of the most recognized logos in the world? These are some of the fascinating stories we would like to share on our channel. Responsibilities: - Research and develop content that is informative, accurate, and aligned with our channel's tone and objectives. - Write original scripts of at least 1,800 words, ensuring each script is engaging and easy to follow. - Inje...

I run an ecomm store and I'd like to include a "Cost Per Wear" section on each product page so that the user can understand the product cost for various wears. Ex: a $100 item Cost per wear: 3: wears: $33 15 wears: $6.66 50 wears: $2 The price could be a sliding scale and would need to adjust automatically based on the product price. See the photo attached to better illustrate the vision.

I have a legitimate need to hack and mirror a person's phone for investigative purposes. I need this done as quickly as possible. Key project requirements: - The target device is an Samsung, running the latest android version. - The hacking and mirroring process should be discreet and undetectable by the phone's owner. - I need a report on the target device's activities, including text messages, calls, social media interactions, and GPS locations and apps. Ideal freelancer: - Proven experience in phone hacking and mirroring. - Sound understanding of iOS and the latest smartphone technologies. - Ability to deliver results quickly and discreetly. - A good track record of maintaining client confidentiality. Please include examples of your past work in your applicatio...

โปรดลงทะเบียน หรือเข้าสู่ระบบ เพื่อดูรายละเอียด

I REQUIRE AN IPTV APPLICATION FOR DIFFERENT DEVICES -ANDROID MOBILE Y ANDROID TV -IOS MOBILE - LG SMART TV -SAMSUNG SMART TV THEY HAVE TO BE PUT IN THE STORE OF THE RESPECTIVE DEVICES MENTIONED. THE APPLICATION MUST BE INTUITIVE AND EASY TO USE FOR THE CUSTOMER ACTIVATION MUST BE THROUGH THE MAC OF THE DEVICE. IN ORDER TO ACTIVATE QUICKLY AND WITHOUT PROVIDING ENTRY DATA TO THE CUSTOMER. THE APP MAY BE SIMILAR OR EQUAL TO IBO PLAYER ATTACHED CAPTURE OF YOUR HOME SCREEN. FOR MOBILES, HAVE A BUTTON THAT SENDS THEM DIRECTLY TO MY WHATSAPP AH THE CHANNELS THAT SHOW EPG THE INTERESTED PARTY MUST HAVE KNOWLEDGE IN THE AREA OF IPTV APPLICATIONS.

I'm looking to improve my personal price action strategy in Pine Script by incorporating machine learning and neural network processes. Additionally, I want to integrate orderflow chart logic into this strategy. Key Project Details: - Incorporate automated machine learning and neural network processes to enhance existing price action strategy in Pine Script - Integrate orderflow chart logic to improve strategy's effectiveness - The project is for personal use Requirements: - Proficient in Pine Script - Strong experience with machine learning and neural networks - Familiarity with orderflow chart logic - Prior experience in developing trading strategies is a plus

I'm looking for a skilled data scraper who can help me extract contact information from Website 1 and deliver it in Google Sheets. Key Requirements: - Scraping: The primary task is to scrape contact information from Website 1. - Data Delivery: I prefer the scraped data to be delivered in Google Sheets. Ideal Skillset: - Web Scraping: A strong understanding of web scraping techniques and tools is essential. - Data Handling: Proficiency in handling and organizing data in Google Sheets is preferred. Please ensure that you have prior experience with similar projects and can provide a sample of your work for review.

Get ready for a Zoom meeting I'm looking for a SEO expert who can help me optimize over 250 pages on my website to increase traffic.

Get ready for a Zoom meeting I'm looking for a SEO expert who can help me optimize over 250 pages on my website to increase traffic.

I'm looking for a SEO expert who can help me optimize complete website and hit 15K in 3 months - The main goal is to increase traffic on the website. This means we'll need to focus on improving the website's visibility on Google, as this is the primary search engine I'm targeting for optimization. - Your responsibility will be to carry out technical and on-page SEO tasks on the website. You should have experience with SEO optimization and understand the strategies that can help with increasing traffic. - To proceed with the project, you may need access to the website's backend or content management system to make necessary changes. If you have experience with website management systems, this will be a plus.

You are asked to create an Excel file (FILE A) that: 1) Automatically extract data from another Excel file (FILE B) which is located in an FTP folder and which is updated every day. 2) The FILE A must extrapolate the data from the FILE B based on some filters that can be set or changed. For example, a filter could be the Brand or the Price. 3) The output (FILE C) of FILE A must be a .CSV file composed of 3 columns: SKU, Quantity and Price. 4) The final part is that this FILE C is saved inside another FTP folder. This entire 1+2+3+4 process must be done automatically every day at a certain time without the intervention of an operator.

I'm looking for a SEO expert who can help me optimize over 250 pages on my website to increase traffic. - The main goal is to increase traffic on the website. This means we'll need to focus on improving the website's visibility on Google, as this is the primary search engine I'm targeting for optimization. - Your responsibility will be to carry out technical and on-p...carry out technical and on-page SEO tasks on the website. You should have experience with SEO optimization and understand the strategies that can help with increasing traffic. - To proceed with the project, you may need access to the website's backend or content management system to make necessary changes. If you have experience with website management systems, this will be a plus. The fixed ...

I'm in need of a skilled programmer to assist me in automating daily pricing updates from a specific website. The script should pull the pricing information and update it into our system. Key Requirements: - Develop a script that can extract data from a website and automate the pricing update process - The script should be able to run daily, without manual intervention - Ensure the script is robust and can handle occasional changes in the website's layout without breaking Ideal Skills and Experience: - Proficient in web scraping and data extraction - Experienced in script automation, particularly on a daily basis - Familiarity with handling data within a business context - Ability to create a reliable and sustainable solution, accommodating for potential changes in the website...

...uncover price points across multiple websites and categories for us. Key Requirements: * Compile pricing information from the following platforms: Amazon, , , , , , , , , , nykaaman.com. * The scraping project should cater to several products and categories rather than specific ones. * Implement scraped data directly into the backend of our website using PHP. Ideal Skills: * Proficiency in web scraping scripts and tools * Deep knowledge and experience in PHP programming * Familiarity with the aforementioned websites' structures and processes * Ability to handle data scraping projects from a wide range of product categories Your work will streamline our price comparison

I need a professional who can scrape product prices from Starbucks and Dunkin Donuts' websites. The main focus will be Coffees, Beverages, and Food items. Key Requirements: - Scraping: Extract product name and price from two apps/websites. - Data Organization: Provide the scraped data in a clean and organized format. Ideal Skills: - Proficient in Web Scraping: Experience in scraping data from various websites. - Data Management: Ability to organize and present scraped data efficiently. This project will require attention to detail in maintaining the data integrity throughout the scraping process. The scraped information should be accurate and up-to-date.

I am looking for a proficient app developer to create a TV application that will function on Android TV, TizenOS (Samsung), Fire TV (Amazon), and LG Smart TV. The ideal candidate for this job should be experienced in developing apps for multiple platforms. Description We're seeking a skilled freelancer to develop a TV app for Android (v5-13), TizenOS (Samsung 2012-2024, Tizen 1-8), Fire TV, and LG platforms. Skills required: - TV app development - Android - TizenOS - Fire TV - LG - User interface design - Performance optimization - Problem-solving - Strong communication skills App Features: Responsive UI for various screen sizes Displays Live, Series, and Movie content (data from web service) User favorites list (local & online storage) Playback resume from last ...

I need a data analyst or researcher to provide data on how much the price of electricity and gas have increased by in the UK from the year 2014 - 2024. This research will be used to predict the percentage increase year on year for our customers moving forward. Specific Data Points: - Historical electricity prices - Historical gas prices - Percentage increase year on year Report Format: The final data analysis report should be in a spreadsheet format, preferably Excel. The main points should be supported with a PDF Data Segmentation: The data should be segmented by consumer type, specifically domestic consumers. Ideal Skills and Experience: - Strong background in data analysis and research - Proficiency in handling and analyzing large sets of historical data - Advanced knowledge ...