Creation data entry access jobs

I'm looking for an expert in web research to help me compile a list of business contacts. - Primary Task: Identify and compile business contacts' email and phone number. A keen eye for detail and experience in data entry are essential. Please provide any relevant previous work in your application.

I'm seeking a detail-oriented freelancer for manual data entry tasks. Your main responsibility will be extracting and entering numerical data from online databases. Ideal Skills: - Proficient in data entry - Good understanding of numerical data - Familiarity with online databases - Attention to detail - Ability to work independently

I'm looking for someone to assist with document preparation and spreadsheet support. This will primarily involve preparing reports and working with spreadsheets. Ideal Skills: - Proficient in document preparation - Experienced in report writing - Highly skilled in using spreadsheets - Knowledgeable in formulas and calculations - Excellent in data entry and organization - Capable of creating visual data representations

...Android) for controlling smart locks. This app should include essential features like remote locking/unlocking, scheduling access times, and receiving notifications on lock status. Key Features: - Control smart locks: The primary purpose of this app is to manage smart locks. - Multi-platform: The app should be compatible with both iOS and Android. - Essential Lock Control Functionalities: The app should enable users to lock/unlock remotely, schedule access times, and receive notifications on the status of the lock. for example, we need 1. To be able to create a code of x digits to open the locks from/to from/to 2. We need to be notified when a customer makes the 1st access to the room 3. to know if the gateways are online or offline 4. to know if the locks are o...

...realistic oscilloscope image based on a int entry value. At the end this function will be crucial for a mini-game where players must determine the correct value by interpreting the generated oscilloscope image. Key Requirements: - Create a realistic oscilloscope image - Integrate grid lines and waveform amplitude into the display - Ensure the function is callable by blueprint Ideal Skills: - Proficiency in UE5.5, particularly with blueprints and C++ - Experience with game development and designing interactive elements - Understanding of realistic graphical styles - Ability to create engaging and intuitive user interfaces The oscilloscope should include grid lines and display waveform amplitude. There is no interaction, only generated image from a entry value. Your exper...

I'm looking for a professional to assist with the management of my product data. Key Responsibilities: - Data Entry: Inputting product data accurately and efficiently. The ultimate goal of this project is to identify trends within the product data. Therefore, the ideal candidate should be skilled in: - Data Entry: Fast and precise data entry is crucial. - Data Analysis: Ability to spot trends and insights from the data will be highly beneficial. Experience in working with product data is a plus. Please provide examples of similar projects you've completed in the past.

...skilled in SEO-optimized content and have a deep understanding of on-page and off-page SEO strategies. Thanks to thorough research and high-quality writing, my articles engage readers and rank well in search engines. I’m also proficient in Canva and Hootsuite, creating compelling social media posts that resonate with target audiences. In addition to my writing expertise, I offer video editing and creation as a secondary skill, allowing clients to develop content from script to screen. My experience spans editing explainer videos, social media content, and ads, allowing for a seamless process that strengthens your brand’s message. As a Virtual Assistant, I excel in efficiently managing administrative tasks, from email management to digital marketing. My expertise in ...

...performance of our marketing campaigns. Key Responsibilities: - Content Creation: Develop engaging product photos and videos, customer testimonials, and other content for our social media platforms. - Social Media Management: Post and manage content across WhatsApp, Facebook, Instagram and YouTube, as well as other platforms as necessary. - Performance Tracking: Measure the effectiveness of all social media campaigns and adjust strategies as needed. Departments include; Women wear, Mens wear, Handloom and travel gear, Crockery, Grocery and Pharmacy. Ideal Skills and Experience: - Proven experience in social media management, particularly on Facebook, Instagram, WhatsApp and YouTube. - Strong skills in content creation, including product photography and video production. ...

I'm an experienced photographer and video editor looking for someone to help me create minimalistic and clean social media content. Ideal Skills: - Photography - Video Editing - Social Media Content Creation Experience with minimalistic and clean aesthetic is a plus.

...Considerations (Preferred): Basic SEO optimization, including the use of relevant keywords (keyword lists can be provided). Timeline: A realistic timeline for completion is required. Please provide an estimated timeframe for completing the project. Style Guide (If Applicable): Any specific style guidelines or preferences will be provided. Writer Requirements: Proven experience in blog writing and content creation. Excellent command of English grammar, punctuation, and style. Ability to rewrite content effectively while maintaining accuracy and originality. Strong research skills to verify information and ensure factual accuracy. Familiarity with SEO writing practices (preferred). Ability to meet deadlines and communicate effectively. Experience with plagiarism detection tools is...

I am looking for an experienced Huawei app developer to help create a Learning and Development app. The primary audience for this app will be students. The app should be able to deliver various educational content and track the progress of its users. Key Features: - Quizzes and Assessments: The app should be able to generate quizzes and assessments to test the knowledge of the users. - Video Lessons: Integrating video lessons into the app is crucial. The developer will need to work on a seamless interface for viewing educational videos - Progress Tracking: A system that tracks and displays the progress of each user is essential. This feature should be user-friendly and intuitive. Ideal Skills: - Proven experience in Huawei app development - Strong understanding of creating educational ap...

I am seeking a professional to help me develop a compelling "Buy One Get One Free" offer for my optic shop. The promotion will cover eyeglasses and sunglasses, with the aim of increasing foot traffic and sales. Key Tasks: - Create an appealing and effective promotional strategy - Develop clear and enticing messaging for the offer Ideal Skills and Experience: - Proven experience in retail promotions, specifically in the eyewear industry - Strong marketing and copywriting skills - Ability to understand and cater to target market needs

I need a skilled web designer to enhance a form urgently. Key Requirements: - Add two elements: text fields and checkboxes. - Adjust the layout to eliminate large gaps, ensuring a mobile-friendly design. - Improve drop-down menus to be searchable for be...skilled web designer to enhance a form urgently. Key Requirements: - Add two elements: text fields and checkboxes. - Adjust the layout to eliminate large gaps, ensuring a mobile-friendly design. - Improve drop-down menus to be searchable for better usability. Ideal skills for the job: - Excellent understanding of user-friendly design principles. - Proficiency in web design, specifically with form creation. - Ability to work under pressure and meet tight deadlines. This task is very very urgent and needs to be completed withi...

I'm in need of a marketing professional who can boost the visibility of my brand. The job will involve creating and enhancing content from images I provide, using advan...promote the brand online - Writing SEO-focused blog posts and creating a Wikipedia page for the brand Daily posting across all platforms is expected, with weekly reports detailing progress and success metrics. The ideal candidate should have skills and experience in: - Advanced photo and video editing - Creating visually appealing and engaging content - SEO and digital marketing - Content creation for blogs and Wikipedia I need you to prioritize creating digitally enhanced photos, special effects videos, and SEO blog posts. The primary platforms for content posting will be Meta, TikTok, LinkedIn, Twitter,...

We are reaching out to seek your expertise for an ad hoc project involving the conversion of GIS layers into a PostgreSQL data set and set up API updates of the PostgreSQL database. Given your proven track record in handling geospatial data and related solutions, we believe your support will ensure the project's success. Project Overview: • Objective: To convert and integrate existing GIS layers into a PostgreSQL database. • Scope of Work: 1. Analyze the provided GIS layers to determine compatibility and necessary preprocessing. we have a white listed ip (tunnel) that allow us to access MapsServers and Features Servers in the browser.

...Considerations (Preferred): Basic SEO optimization, including the use of relevant keywords (keyword lists can be provided). Timeline: A realistic timeline for completion is required. Please provide an estimated timeframe for completing the project. Style Guide (If Applicable): Any specific style guidelines or preferences will be provided. Writer Requirements: Proven experience in blog writing and content creation. Excellent command of English grammar, punctuation, and style. Ability to rewrite content effectively while maintaining accuracy and originality. Strong research skills to verify information and ensure factual accuracy. Familiarity with SEO writing practices (preferred). Ability to meet deadlines and communicate effectively. Experience with plagiarism detection tools is...

The hospital's website serves as a comprehensive digital gateway to exceptional healthcare services. Designed with user convenience in mind, it provides detailed information about medical specialties, experienced doctors, and cutting-edge facilities. Patients can effortlessly book appointments, access emergency services, and explore health resources. With interactive features such as a live chat, a secure patient portal, and mobile compatibility, the website ensures seamless communication and personalized care. Whether you're seeking routine check-ups or advanced treatments, the platform is dedicated to making healthcare accessible and efficient for everyone.

I'm looking for a freelancer who can enter data from an Excel sheet into my e-commerce website. This task involves working with electronics products and requires attention to detail and technical understanding. Key Responsibilities: - Enter product data from Excel(upto 5K data) into the website. - Include all necessary product descriptions, focusing on technical specifications and usage instructions. - Upload product images alongside the descriptions. Ideal Candidate: - Experience with e-commerce data entry is a plus. - Familiarity with electronics and their technical specifications. - Able to follow instructions precisely and work with minimal supervision.

I'm in need of a seasoned graphic designer who specializes in logo design, with a particular strength in creating vintage-style graphics. The project primarily involves the conception and execution of a unique logo that embodies the vintage aesthetic. Ideal candidates will have: - A strong portfolio of vintage-style designs - Exceptional skills in graphic design and logo creation - A deep understanding of the vintage design aesthetic - The ability to translate complex ideas into simple, effective designs - Excellent communication skills for understanding and implementing feedback

This project involves editing a series of creative videos for social media with a cinematic style. The ideal candidate should have a keen eye for detail, experience in cutting edge social media content, and a strong understanding of cinematic techniques. Key Responsibilities: - Edit raw footage...strong understanding of cinematic techniques. Key Responsibilities: - Edit raw footage into polished final products suitable for social media - Design engaging thumbnails that capture the essence of each video and entice viewers to click Skills and Experience: - Previous experience in social media video editing - Understanding of cinematic editing techniques - Graphic design skills for thumbnail creation - Familiarity with social media trends and algorithms to optimise video reach and ...

I need a professional sound engineer to create a pre-set for my rap vocals. The pre-set should be specifically tailored for Trap style rap, as I intend to use it for recording in this genre. Key requirements: - Expertise in recording, mixing, and mastering - Extensive experience working with Trap rap vocals - Ability to create a tailored pre-set for rap vocals - High quality sound production Please provide examples of similar projects you've completed and your approach to creating a custom pre-set.

I have a batch of product images that require background removal and conversion to PSD files. Key Requirements: - Backgrounds to be removed from product images exclusively. - Edited images need to have a transparent background. - Total of 11-50 images to be processed. Ideal Skills: - Proficiency in Photoshop. - Experience in image editing and background removal. - Ability to deliver high-quality PSD files.

My site experiences a problem that the home page slider is missing. Not sure this caused by the automatic plugin was installed or due to automatic update of WP. I never updated or installed anything manually. So maybe it can be fixed by restore a back up. I have access to my hosting control panel so you will be able to work directly from there. Ideal skills and experience for the job: - Proficient in WordPress - Experience with site restoration

I'm an acclaimed author in need of a professional to write and create a Wikipedia draft, post it, and ensure it highlights my major achievements. The ideal freelancer for this project would have: - Extensive experience with Wikipedia page creation and optimization - Excellent editing and proofreading skills - Knowledge of how to best present information for Wikipedia's guidelines - Ability to prominently feature special awards and recognitions I have a draft of the page ready which will need to be reviewed and edited for accuracy and completeness before posting. It's crucial that the freelancer is able to include my special awards and recognitions prominently on the page. A key part of this project will be ensuring that my biography and notable works are empha...

I need a data analysis expert to compare the outcomes of 5 patients who underwent sleeve gastrectomy for weight loss, then after 3 years of weight regain, underwent OAGB (One Anastomosis Gastric Bypass). The analysis should focus on comparing the excess weight loss after one year between the two surgeries and the changes in weight and Body Mass Index (BMI). I have access to patient medical records in digital format (spreadsheets, databases). The metrics to be compared include: - Excess Weight Loss (EWL) - Body Mass Index (BMI) - Overall weight loss Ideal Skills: - Proficiency in data analysis and statistics - Experience in comparing surgical outcomes - Familiarity with medical data analysis Please bid if you can deliver a comprehensive analysis.

...Considerations (Preferred): Basic SEO optimization, including the use of relevant keywords (keyword lists can be provided). Timeline: A realistic timeline for completion is required. Please provide an estimated timeframe for completing the project. Style Guide (If Applicable): Any specific style guidelines or preferences will be provided. Writer Requirements: Proven experience in blog writing and content creation. Excellent command of English grammar, punctuation, and style. Ability to rewrite content effectively while maintaining accuracy and originality. Strong research skills to verify information and ensure factual accuracy. Familiarity with SEO writing practices (preferred). Ability to meet deadlines and communicate effectively. Experience with plagiarism detection tools is...

I'm seeking a skilled developer to create an audio bot for customer support. The bot should be able to answer FAQs and utilize advanced LLM models or APIs from OpenAI or Google AI. Key Responsibilities: - Develop an audio bot that can handle customer inquiries, specifically answering FAQs. - Implement the bot using LLM models or APIs from OpenAI or Google AI. - Ensure the bot is capable of providing a seamless customer service experience. Ideal Skills: - Proficient in AI and LLM model application - Experience with OpenAI and Google AI APIs - Strong understanding of audio bot development - Exceptional problem-solving skills - Prior experience in customer support automation Please note, while the current requirement is for the bot to function in English, the system should be designe...

I have MS Access applications and looking to send Api token to heartland/global so that i can send a text or email to client to click on and pay. Then I would like to be able to retrieve the payment via Api so that I can import into my MS access system. If I can generate a text file to import I can do all the MS access stuff of exporting and importing just need a way to send and receive charges and payment info to cloud for client to pay. If you have no experience in this please down apply for the job I'm going to want to see real demo thank you. I use heartland/ global integrated so has to be for that.

...agent to facilitate sales legally and transparently. Sales Opportunities: Access a streamlined system to log sales and earn commissions. Support Services: Tools and resources to enhance sales capabilities. For Buyers: Cashback Wallet: After registering a property purchase, buyers receive 1.5% cashback of the sale value in their digital wallet. Flexibility: Cashback is linked to a unique barcode, allowing buyers to use it wherever they choose, without restrictions. Transparent Process: Buyers are notified throughout the registration and verification process, ensuring clarity. How It Works: Registration: Developers, companies, and freelancers register by submitting required details and documents. Buyers sign up to access their digital wallet and track purchases. Property ...

...skills, both verbal and written, with the ability to present complex products in an accessible and compelling way. Highly motivated, results-oriented, and able to achieve and exceed sales targets. Ability to work independently and manage your sales pipeline effectively. This position offers an exciting opportunity to earn 15% of the sale price, which means $750 per successful sale. You will have access to ongoing support, training, and the resources you need to succeed. If you’re ready to join a growing company with an industry-leading product and are motivated to earn based on your performance, we’d love to hear from you....

I'm looking for a skilled app developer to create a training and learning application focusing on professional skills, specifically targeting higher education students. The app will deliver content in the form of video tutorials. Key Requirements: - Experience in app development, particularly for educational purposes. - Ability ...form of video tutorials. Key Requirements: - Experience in app development, particularly for educational purposes. - Ability to create engaging and interactive video content. - Understanding of professional skills training and higher education curriculum. The ideal freelancer should have a proven track record of developing user-friendly, high-quality learning apps. Experience with video content creation and professional skills training is a signifi...

I'm looking for a modern and sleek logo for my website, , which offers special transportation services. Key Requirements: - A modern and sleek design style - A blue and white color scheme - Inclusion of vehicle imagery in the logo Ideal Skills and Experience: - Proven experience in logo design - Strong understanding of modern and sleek design aesthetics - Ability to incorporate specific imagery into design The selected freelancer will be tasked with delivering a high-quality, professional logo that captures the essence of my brand. I you draw a car draw it like in the attached image

College directory website features (ready-made) ### Detailed Wireframe/Layout for Collage Vidya Website #### **1. Homepage** **Sections:** - **Header:** - Logo (Top Left): Displays the Collage Vidya branding. - Navigation Menu: Includes links to Home, Colleges, Courses, Scholarships, Blogs, Contact Us. - Login/Sign-up Button (Top Right): Allows users to access their accounts. - **Hero Section:** - Search Bar: Prominently positioned with placeholders like "Search for Colleges, Courses, or Scholarships." Includes filters for Course, Location, and Fees. - Featured Colleges Slider: Rotating carousel showcasing top-rated colleges with images and "Learn More" buttons. - **Categories Section:** - Icons with Text: Includes categories like "Engineerin...

I'm seeking a culinary expert to prepare healthy, low-fat chicken dishes using sous-vide cooked chicken. The goal is to create light snacks that aren't heavy on oil or ingredients. A deep understanding of low-fat, simple and healthy cooking is essential. Key Requirements: - Creation of low-fat, light snack recipes - Cooking with sous-vide technique - Minimal use of oil and complex ingredients - Understanding of healthy, low-fat Mediterranean, Asian and American cuisines - Culinary experience with sous-vide cooked chicken Ideal Candidates: - Professionals with a background in healthy cooking - Sous-vide cooking experts - Specialists in low-fat diet cuisine - Creative snack recipe developers No green vegetables to be aded , whatever cooked in sous vide bag has to be a end...

I am looking for somenone who can create a sale page on platform to sell facebook monetization course , its a digital product. I am doing it only to test whether it work or not generate any money or not , so not investing much to this project. i dont want to buy hosting n etc so not looking for wordpress landing page , I am looking for free landing page platform like Who can provide me sales page in cheap price apply those only who want to build portfolio ,case studies, client review, etc here's refence page to get you idea --

I'm seeking a talented illustrator to create a series of images for my website, marketing materials, and presentation slides. The style of images should be illustrative, as I aim for a cohesive and engaging visual narrative. Key Responsibilities: - Create a variety of illustrative images suited for website visuals, marketing materials, and presentation slides. - Collaborate with me to understand the intended message and audience for each image. Ideal Skills: - Proven experience in creating illustrative images. - Strong portfolio demonstrating a unique illustrative style. - Excellent understanding of visual storytelling. - Ability to meet deadlines and work collaboratively. I am open to creative suggestions and do not have a specific color scheme or brand guidelines to follow. There...

...Integrate OpenGL ES 3 with hardware-accelerated graphics. - Audio: Configure ALSA as the sole audio solution. - Drivers: Include only necessary drivers, with the RPi 400 Wi-Fi as the only network driver. - Boot Time: Strip the kernel and OS to their minimum for the fastest boot time. - Environment: Ensure the setup is minimal, excluding anything we don't need. For example. the windowing system. - Access and Tools: Set up SSH. I need a build toolchain (GCC). Inform me whehter that should be pre-installed or if a package manager will work. Skills & Experience: - Proficiency in configuring Buildroot for Raspberry Pi. - Ability to create a minimal, efficient environment. Goal: I want to be able to boot as quickly as possible into an environment where I can render audio/vi...

1. I will pay for 1 hour of work. 2. I’d prefer to have this completed within 2 hours today. 3. I’ll be reviewing every detail, including your profile, title, experience, portfolio, and communication skills. 4. Please don’t bid if you don’t agree to the requirements mentioned above or lack the necessary skills to handle this task. Looking forward to it! Ansaf

I'm looking for a digital marketing expert to boost sign-ups for my Pilates & Yoga classes, as well as Kundalini Activations. The primary focus will be on Instagram, where I want to utilize photos and images to attract potential participants. Key Responsibilities: - Develop and implement a strategic Instagram marketing plan aime...Responsibilities: - Develop and implement a strategic Instagram marketing plan aimed at increasing class sign-ups. - Create engaging and visually appealing photo and image content that promotes the classes and the brand. Ideal Skills and Experience: - Proven track record in digital marketing, particularly on Instagram. - Experience in the wellness, fitness or yoga industry is a plus. - Strong content creation skills, with an eye for aesthetic an...

...same format. Key Requirements: - The AI should generate textual content specifically for the Product/Service descriptions section of the website. - The tone of the content should be formal, suitable for a professional audience. Ideal Skills and Experience: - Proficiency in using AI tools for content generation. - Excellent understanding of formal tone and style in writing. - Experience in web content creation, especially for Product/Service descriptions....

I need assistance with extracting text data from 7 PDF files into a spreadsheet. The data from each PDF will go into a specific, pre-existing worksheet within the spreadsheet. - Type of Data: The extraction will only pertain to text data. - Structure: The text data in the PDFs is well-organized with clear sections, making the extraction process straightforward. Ideal skills for this task include: - Proficient in data entry and spreadsheet management - Excellent attention to detail - Familiarity with PDF data extraction I have attached a sample PDF document and Spreadsheet with the first section of data already extracted from the PDF into the relevant worksheet. I have also created a video demonstrating what is required: :v:...

I'm seeking a detail-oriented Instagram Post Creator to elevate my online presence for my brand spb. You will need to develop engaging, minimalistic Instagram posts using our product designs. Each valentine's day t-shirt/sweatshirt design will need its own unique post that captures attention and drives engagement. What You’ll Do: - Create 1 ...spb. You will need to develop engaging, minimalistic Instagram posts using our product designs. Each valentine's day t-shirt/sweatshirt design will need its own unique post that captures attention and drives engagement. What You’ll Do: - Create 1 post per design - Use our product photos to craft visually appealing, minimalistic posts Looking For: - Strong experience in Instagram content creation - A good eye...

I'm seeking a detail-oriented freelancer for a project involving manual data entry from PDF files. The primary purpose of this task is to prepare the data for analysis, so accuracy and attention to detail are crucial. Key Responsibilities: - Manually entering mixed data (numerical and textual) from PDFs into a specified format or database - Ensuring the accuracy of the data entry to facilitate reliable data analysis Ideal Skills: - Proficiency in data entry - Strong attention to detail - Familiarity with handling mixed data types - Capability to work with PDF files Experience: - Prior experience in manual data entry is highly preferred - Experience in data analysis will be a plus I look for...

I'm in need of a detail-oriented freelancer for a data entry project. The task involves manually entering data from PDF files into a database. Ideal Skills and Experience: - Proficiency in manual data entry - Experience working with PDF files - Familiarity with database systems - High attention to detail - Ability to maintain confidentiality and handle sensitive data with care.

I'm in need of a professional with experience in PDF editing and creation. The project involves taking a document and making it into an interactive PDF. Key Requirements: - Data Entry: The project requires entering text data into the PDF. - Interactivity: The PDF needs to be interactive, featuring fillable text fields. Ideal Skills and Experience: - Proficient in PDF editing software (e.g., Adobe Acrobat) - Detail-oriented with excellent data entry skills - Experience creating interactive PDFs - Able to ensure the final product is user-friendly and meets all specified requirements

I'm looking for a minimalist logo for my architect studio. The logo should incorporate the studio name or initials in a sleek, clean, and modern design. Ideal Skills: - Graphic Design - Logo Creation - Branding Expertise Experience: - Prior work with minimalist design - Portfolio featuring architectural or design-related logos. Please note, the color scheme is still open to suggestions. Black and white will definitely work but I'm open to earth tones or bright colors if they fit the design.

I'm looking for a seasoned writer with a strong grasp on technology and a professional writing style to pen 60 blogs a month, each around 1000 words. Key Requirements: - In-depth understanding of the ...a month, each around 1000 words. Key Requirements: - In-depth understanding of the technology sector, especially in areas like Artificial Intelligence, Cybersecurity, Gadgets and Reviews - Exceptional content writing skills to create engaging and informative pieces - Proficiency in SEO to ensure the blogs reach a wider audience - Capability to convert images and data into infographics for blog inclusion - Experience in data entry and assignment writing Your writing should always maintain a professional and formal tone. Please provide samples of your previous ...

I am in need of a female voice over artist who can deliver in a friendly tone in Marathi. Ideal Skills: - Proficiency in Marathi - Experience in voice over - Ability to convey a friendly tone - Female voice - Good recording equipment or access to a professional studio

I'm in need of a skilled web developer and AI specialist who can create a webpage for me. This webpage will utilize ChatGPT to conduct analyses comparing the academic performance of various top private schools within a specific country. The comparison will focus on the subject marketability...on the subject marketability. The analysis results should be displayed visually in the form of graphs and charts, ensuring they are clear and easy to understand. Ideal candidates for this project should: - Have experience in web development, specifically creating interactive webpages - Be familiar with integrating AI tools, particularly ChatGPT, into web content - Have a strong understanding of data visualization techniques - Possess the ability to convey complex information in a simple a...

...robust data pipeline that meets both functional and operational requirements. This pipeline will enable scheduled ingestion, transformation, and analysis of API data and provide a RESTful API to dynamically serve data to our website. Objective To create a cost-effective, highly available, and secure AWS-based backend architecture that ensures seamless data ingestion, transformation, and real-time interaction with our website. Key Responsibilities Data Ingestion Schedule Python scripts using AWS Lambda to fetch data from APIs. Handle API rate limits, errors, and retry mechanisms. Store raw data temporarily in Amazon S3. Data Parsing Clean and structure raw data for further processing. Ensure data validity and store...