I hate daylight savings timeεργασίες

Η kΙEFER αναζητά έναν έμπειρο σχεδιαστή Web και Graphic Design για μια θέση εργασίας στην περιοχή μας, με διάρκεια απασχόλησης από 1 έως 3 μήνες. Αναζητούμε κάποιον που θα είναι διαθέσιμ...

Έχω φτιάξει ένα μοντέλο deep learning με transfer learning για sound event prediction. Έχω θέμα με το να το ενσωματώσω στο raspberry και να μου βγάζει προβλέψεις κάθε δευτερόλεπτο.

Η ομάδα μας ψάχνει full-time γραφίστα για e-commerce brand! Είναι start-up εταιρεία στην Αθήνα με προϊόντα διακόσμησης χώρου η οποία μεγαλώνει γρήγορα! ✨ Ψάχνουμε για άτομο που ✨ - έχει εμπειρία...

Το μεγαλώνει & ψάχνουμε part time βοήθεια για το web administrative κομμάτι μας! Αν σου αρέσει να κάνεις τους ανθρώπους χαρούμενους με τις γνώσεις και την εμπειρία σου, και α&n...

Ψάχνω άτομα κάνουν την εξής απλή (αλλά χρονοβόρα δουλειά): Να κάνουν πολλαπλές εγγραφές στην ιστοσελίδα μου. Αναλυτικά η διαδικασία της δουλειάς είναι η εξής:...

Ψάχνω άτομα κάνουν την εξής απλή (αλλά χρονοβόρα δουλειά): Να κάνουν πολλαπλές εγγραφές στην ιστοσελίδα μου. Αναλυτικά η διαδικασία της δουλειάς είναι η εξής:...

I need a developer to create a bot that provides real-time horse racing predictions to users on Discord. This bot will be integrated into my Discord server, and I intend for it to acquire race prediction data through an in-house data collection process. Key Objectives: - Develop a dedicated bot that acquires data from a proprietary data source - Provide real-time predictions for upcoming horse races - Implement a method to deliver these predictions through this bot on Discord Ideal Skills: - Proficiency in Discord bot development - Experience with data collection and analysis - Knowledge of horse racing and predictive modeling The freelancer should ensure that the bot is capable of handling real-time data updates, and that its predictions are consisten...

Design of Digital filter algorithm/ code in C for ARM processor for processing real time raw sensor to removal of noise & unwanted signal Algorithm / code for Digital Filter low bandwidth Real time Sensor Signals 1. Analogue Raw data acquisition in real time at 1000 samples per second in 24 bit precision 2. Raw data signal bandwidth /frequencies restricted to less then 1000 hz by hardware RC anti aliasing filter to avoid aliasing 3. Following Digital in sequence to be applied to raw signal . a. low pass filter 0-170 hzs ( to remove high frequency random / white noise b. High pass filter 1 hz to 400 hz (to remove low frequency dur DC signal coupling ) c. Very steep(narrow band) notch filter at 50 hz / 60 hz to remove power line interference a & b can...

I am currently in the market for a part-time opportunity, specifically within the field of digital marketing. Here are a few details on what I am looking for: - Specialty: I am interested in a position mainly focused on digital marketing, requiring abilities in managing and optimizing online campaigns, SEO, and SEM. - Availability: As it is a part-time role, I'm looking to work 20 hours a week. My ideal schedule would be spread evenly over weekdays. - Field: I am keen on exploring various industries; however, my expertise lies in marketing. I am open to opportunities in various sectors, so long as the role is marketing-focused. Ideal Skills: - Proficiency in digital marketing strategies and tactics - Knowledge and experience in SEO an...

...Key Tasks: - Help me care for my animals (I have 8 cats, 2 dogs and a ferret) such as: feeding, walking, cleaning litter boxes. - Engage in home-based activities: I allow smoking in my garage and I have an Xbox and a PS5. Listening ti music and watching anime is a plus! - I currently do not have a license so helping me run errands would also be appreciated. - Be present and supportive: While this is not a traditional job, I value good company and would appreciate someone who can be a positive presence in my daily routine. Ideal Candidate: - Friendly and engaging personality: You should be someone I can comfortably share my day with. - Flexible and available: The daily sessions will be for a 24-hour duration. - Good listener and conversationalis...

I'm in search of a diligent and detail-oriented individual to assist me on a part-time basis with data entry tasks mainly in the finance sector. Key Responsibilities: - Data Entry: You will be responsible for inputting and maintaining various financial data into spreadsheets and databases. - Accuracy and Attention to Detail: Ensuring the provided data is accurately entered, including cross-referencing and validation. - Data Quality: Assisting in maintaining the quality of the data and suggesting improvements where necessary. Skills and Experience: - Proficiency in Microsoft Excel is a must as this will be the primary tool used. - Previous experience in finance-related data entry is advantageous but not mandatory. - Strong attention to detail and accuracy are highly valued. ...

I am currently in the market for a part-time opportunity, specifically within the field of digital marketing. Here are a few details on what I am looking for: - Specialty: I am interested in a position mainly focused on digital marketing, requiring abilities in managing and optimizing online campaigns, SEO, and SEM. - Availability: As it is a part-time role, I'm looking to work 20 hours a week. My ideal schedule would be spread evenly over weekdays. - Field: I am keen on exploring various industries; however, my expertise lies in marketing. I am open to opportunities in various sectors, so long as the role is marketing-focused. Ideal Skills: - Proficiency in digital marketing strategies and tactics - Knowledge and experience in SEO an...

I require a straightforward, user-friendly spreadsheet that calculates energy savings based on specific input. My needs are very particular. Here are the key aspects: Input Specifications: - It should only take one input: an initial savings value representing the savings our product offers. Calculation Requirements: - I expect the spreadsheet to perform calculations for both percentage and dollar amount savings. Results Format: - The results should be shown as simple numbers; I don't need them displayed as percentages or any graphical representations. The freelancer fit for the task should be proficient in spreadsheet software and have experience in building similar savings calculators. A good understanding of energy savi...

I am seeking a part-time role in the technology industry. My primary requirement is that the position is entry-level, as I am just starting my career in this field. The ideal candidate for this job will be well-versed in technology basics, have a clear understanding of the industry, and be willing to invest in my learning and development. I am looking for a supportive work environment, where I can grow and apply my skills in a real-world setting. It would be a bonus if the job offers the opportunity for mentorship or training. This will ensure I can contribute effectively to the team and continue to develop my skills as a technology professional. Please reach out if you have a position that would be a good fit for me.

Hi guys, Thanks for your interest in writing for us. IMPORTANT: Human writing only - No AI or Rewriting - (we check) AGAIN BECAUSE THERE ARE SO MANY CHEATERS: NO AI - NO UNDETECTABLE AI AS WE STILL SEE - DON'T WASTE YOUR OR OUR TIME IF YOU DON'T WRITE MANUALLY !!! What we offer: *Writing work at the entry rate of $20/1000 words with room for growth. *Flexibility: No Skyping, no phone calls, accept projects when you have the time to complete them, take time off when you need (letting us know in advance is good practice). *Easy to work with: We reply to questions fast, will provide valuable input and feedback on every single task you complete. *We've been in the content writing and marketing business for 15 years and have worked with more than ...

I am in need of a skilled iOS developer to build a real-time location sharing app. The app should make use of the significantLocationUpdate/kCLLocationAccuracyBestForNavigation feature for high accuracy location tracking within a few meters. Key requirements include: - Real-time Location Sharing: The app should facilitate real-time location sharing among users, updating their locations at specific intervals. I'm looking for a professional who has: - Strong experience in iOS app development, particularly in working with location sharing and tracking features. - Familiarity with significantLocationUpdate/kCLLocationAccuracyBestForNavigation feature. The ideal developer for this project should be able to deliver a app that efficiently shares and updates us...

I'm a professional seeking a part-time job in the tech industry. My preferred work setup is on-site. If you're looking for a dedicated and experienced individual, I might just be the perfect fit for your team. Key Requirements: - Part-time tech role - On-site workspace Ideal Skills and Experience: - Proficient in relevant tech tools. - Previous experience in the tech industry. - Ability to work successfully in an on-site environment.

I'm in need of a bespoke budget planning system that prioritises management of my monthly expenses. The ideal freelancer for this assignment should be seasoned in developing personalised financial planning tools. Key features are: - Detailed categorisation of outgoings for seamless tracking of all expenditures. - Projections of potential savings to envision fiscal progress. - Alerts when nearing or breaching specified budget limits. The program should facilitate monthly updates and evaluations to ensure the budget remains relevant and effective. Expertise in financial software tools and an understanding of efficient budget management are significant assets for this project.

...editor to join my team for a FULL-TIME role. You will be responsible for editing daily motion graphics for YouTube videos. The ideal candidate should be proficient in Adobe After Effects. Here is an example of the type of work needed: - - - Desired skills and experience: - Proficient in Adobe After Effects - Experience editing videos for social media platforms - Strong understanding of video editing techniques - Creative mindset with the ability to incorporate basic motion graphics - A keen eye for detail and high-quality standards This role is a full-time position, and you will be expected

H...funny of the celebrity MARK ZUCKERBERG, and the name for this drawing will be MOORK ZUCKABORG use anything that comes to imagination to make fun of him and make a funny drawing. We really like the drawing of Elawn Moosk, but try a few different options. The winner will probably enter more than one drawing. The winner will not only win $250, but they will win the chance to work with our team full time. We hope to see some awesome hilarious entries for this contest and hope to work with a lot of you soon as we may crown more than one winner. Prize is GAURANTEED! Be creative, enter as many times as you can with something original, funny, depicting the billionaire mark Zuckerberg in your own style, or influenced from the elawn moosk style is also great. The best drawing will wi...

Hello All, We are an established IT services provider with 13 years of experience and a team of 25 in-house developers. Currently, we are looking to hire some freelancers because we are at full capacity and do not have sufficient resources to handle some of our work. We are seeking a long-term partnership and are willing to provide 20-30 hours of work per week. We welcome both experienced freelancers and those new to this platform who have significant prior experience, such as working in a company before starting their freelance career. This job post is open to all qualified candidates. Now, let's discuss the job requirements, which are urgently needed: We require an expert Laravel Developer who is well-versed in third-party APIs. The candidate must have experience working on inco...

I'm looking for a skilled developer to create a chatbot for my website. The primary function of this chatbot will be to provide real-time support to users as they navigate the site. Key Requirements: - Development of a chatbot specifically for a website platform - It should be able to provide real-time support to users - Integration with tools or databases if necessary (TBD) Ideal Candidates Should: - Have experience in developing chatbots, specifically for website platforms - Be able to implement real-time support functionalities - Possess the ability to integrate the chatbot with other tools or databases if needed This project will involve not just the technical development of the chatbot, but also its seamless integration into the website. Experience in us...

...work seamlessly with both Android smartphones and tablets, ensuring a broad range of users can enjoy the experience. - Virtual Fitting Room: The core element of this app is its ability to allow users to try on clothes virtually. This should be an engaging and realistic experience for the user, helping them to visualize how an item would look on them. - Real-Time Interaction: Users should be able to use their device's camera in real-time to interact with the virtual fitting room. This should be smooth and responsive, providing an enjoyable user experience. Skills and Experience: - Android Development: The ideal candidate should have strong expertise in Android app development, with a proven track record of creating engaging and user-friendly applications. - Augmented ...

...AS WE HAVE SEVERAL EMERGENCIES TO FINISH URGENTLY. We will start with 5-10 small task in and then go to some smaller .NET tasks all with 1 day sprints for you to become familiar with the software and then our main goal will be to integrate another B2B API for our MVNO. Initially we need part of the hours to be worked in the first weeks from 8:00PM- 2:00am UTC -3 (Brazil Time) later you can work on your time zone. If you are awarded the task we expect you to accept IMMEDIATELY and if the project is not accepted immediatly we will award it to another developer. To qualify you must be full stack and work PROFICIENTLY with gitlab and code in ., .NET ASP, WEB API + MS SQL. We also have woocommerce and have developed and will continue to develop plugins, so PHP and unders...

...looking for a Unity game developer with experience in creating digital card games for cross-platform deployment on mobile devices and PC. The game should also support seamless, real-time multiplayer gameplay. Key project requirements: - Development of a digital card game front-end in Unity and React.JS - Deployment on both mobile devices and PC - Implementation of real-time multiplayer functionality Skills and experience that are particularly important for this project include: - Strong background in Unity game development - Previous experience in creating digital card games - Expertise in implementing real-time multiplayer features - Ability to optimize the game for performance on both mobile and PC If you have experience in developing similar games and can del...

...across various categories. Key Requirements: - The spreadsheet should allow me to input and monitor: - Investments (especially individual stocks) - Debt - Savings - Income - Expenses - Other category for miscellaneous expenses or income - I require a simple, user-friendly design that makes manual data entry easy and intuitive. Skills and Experience: - Proficiency in spreadsheet software such as Excel or Google Sheets is essential. - Experience in financial tracking and net worth management is highly beneficial. - Understanding of stock market, investment tracking, and basic accounting principles is a plus. Delivery: - I expect the freelancer to deliver a comprehensive, error-free spreadsheet that meets the specified requirements. - The spreadshe...

I'm seeking to bring a remote administrative assistant on board for more than 20 hours a week to help me with various tasks. The ideal candidate should be proficient in Microsoft Office Suite and CRM software. Key Responsibilities: - Email Management: You'll be respon...handle incoming calls and messages professionally. The successful candidate will have excellent communication skills and be able to work independently. Experience with Microsoft Office Suite and CRM software is a must. Being proactive, detail-oriented, and able to prioritize tasks is highly valued. Your role will be crucial in helping me stay organized and productive, so I'm looking for someone I can rely on. If you're confident in your administrative skills and can manage my tasks efficient...

I'm in need of a professional who can create an interactive map strategy with specific features. Key Responsibilities: - Develop an interactive map based on our requirements. - Implement a pop-up feature that displays real-time status updates. - Ensure the map is user-friendly and responsive. I need the map to: - Clearly display real-time availability status updates. - Include a feature to draw notes. - Have a color-changing functionality that's intuitive and visually appealing. - Be easy to use and navigate for all users, including those with minimal technical knowledge. I'm looking for someone with: - A strong background in map development, preferably interactive maps. - Experience with pop-up features and status updates. - A keen eye for design an...

...for my team. Our primary aim is to leverage real-time collaboration features to enhance our workflow. Key Requirements: - Incorporate task management: Ensure the sheet is structured for managing tasks, deadlines, and priorities effectively. - Enable collaboration and sharing: Set up the sheet to allow seamless sharing and collaboration among less than 10 users. Prioritize privacy and permission settings. - Reporting and analytics: Integrate necessary reporting and analytics tools to help us track progress, performance, and efficiency. Skills and Experience: - Proficient in Smartsheet: Should have prior experience in setting up Smartsheets for teams and projects. - Real-time Collaboration: Understands how to leverage Smartsheet's real-time collaboration featur...

I'm seeking an independent ASP.NET developer based in India with at least 5 years of experience, strong C# programming skills, and familiarity with SQL Server and Asp.net core. Your English skills will be crucial as direct communication with me is required. Key Responsibilities: - Develop a robust business management system leveraging ASP.NET - Implement user ...Minimum 5 years experience in ASP.NET development - Proficient in C# programming and SQL Server - Familiarity with Asp.net core - Experience in developing business management systems preferred - Strong communication skills for client call Please note that this project is only open to Indian-based independent developers. If you meet the requirements and are able to take active part in client calls, I look forward to wo...

...work seamlessly with both Android smartphones and tablets, ensuring a broad range of users can enjoy the experience. - Virtual Fitting Room: The core element of this app is its ability to allow users to try on clothes virtually. This should be an engaging and realistic experience for the user, helping them to visualize how an item would look on them. - Real-Time Interaction: Users should be able to use their device's camera in real-time to interact with the virtual fitting room. This should be smooth and responsive, providing an enjoyable user experience. Skills and Experience: - Android Development: The ideal candidate should have strong expertise in Android app development, with a proven track record of creating engaging and user-friendly applications. - Augmented ...

I am in the process of implementing a final year project focused on Precision Farming. The project aims to leverage real-time crop images and AI to enhance crop monitoring, ultimately increasing crop yield and reducing water usage. Key requirements and deliverables include: - Building an intuitive Web UI that can analyze and display real-time crop images - Implementing machine learning algorithms using Python to interpret and predict the crop health and water requirements - Designing a robust backend system that can process and store large volumes of image data The ideal freelancer for this project should have: - Proficiency in Python programming - Experience in developing machine learning algorithms - Strong background in image processing and analysis - Prior expe...

...meticulous attention to detail, and an interest in long-term collaboration for my part-time house front elevation projects. Key Responsibilities: - Develop 2D and 3D house front elevation designs using AutoCAD, SketchUp, and Adobe Creative Suite - Translate the desired modern aesthetic into the design Ideal Skills and Experience: - Proficient in AutoCAD, SketchUp, and Adobe Creative Suite - Proven track record of high-quality 2D and 3D design work - Experience in house front elevation design is a plus, but not mandatory - Understanding of modern architectural styles and trends - Strong attention to detail and accuracy - Ability to work independently and deliver within agreed timelines This position is part-time, and may lead to further collaboration on varied projects....

I'm looking for a skilled developer to help integrate Websockets into my system. The primary functionality I need is to ensure that my finance data is updated in real-time. Key Requirements: - **Websockets Integration**: The project primarily requires the integration of Websockets to enable real-time updates. The financial data should be updated swiftly and accurately as it changes. - **Data Security**: While the data is sensitive, standard encryption is sufficient. The system should be safeguarded against any data breaches that would compromise the financial data. Ideal Skills: - Proficiency in Websockets and real-time data updates. - Experience in handling financial data or other similarly sensitive information. - Understanding of encryption methods and...

I'm looking for...primarily serve two purposes: Sending push notifications and email notifications. The app should be designed for Android devices and should be capable of supporting real-time updates as events occur. Key Features: - Push and Email Notifications: The app should be able to send both push and email notifications to users. - Real-time Updates: The app needs to support real-time updates. Required Skills and Experience: - Proven experience in developing Android applications, with a particular focus on notifications. - Knowledge of working with APIs for integrating push notification services. - Ability to implement real-time updates in an Android application. Please include examples of similar projects you've worked on and your propos...

Job Opportunity: 1 time Acting Project in Vancouver I am seeking enthusiastic individuals located in the Vancouver area for a unique project that involves acting out a scenario. This is a 1-time opportunity lasting 1-2 hours with a pay rate of $25 per hour (with potential for increase to $30/hour based on enthusiasm and performance). Responsibilities: • Act out a scenario (more details will be provided) • Think on your feet and improvise as needed. • Attend a meeting where I'll walk you through the details and provide guidance on what to say and do. Requirements: • Must be located in the Vancouver area. • Acting skills and ability to think on your feet. • Enthusiastic and energetic attitude (Most important) Additional Information:...

...an experienced Python developer to facilitate the integration of the WhatsApp Cloud API with a Websocket API. The primary goal of this integration is to enable real-time messaging within the application. Key Responsibilities: - Integrate the WhatsApp Cloud API with the Websocket API in a Python-based environment - Ensure real-time messaging functionalities are effectively implemented - Implement best practices in software architecture, ensuring scalability and reliability of the system Ideal Skills & Experience: - Proven experience working with the WhatsApp Cloud API - Proficiency in Python, particularly in developing real-time applications and integrating with third-party APIs - Strong understanding of Websocket API - Experience with message encryption and pu...

I'm looking for a customer service representative who can handle incoming calls. Requirements: - The ideal candidate should have a background in customer service. - Excellent communication skills are a must. - The position is part-time, offering flexibility in your schedule.

I have an urgent need for a tool that can monitor my supplier's stock status in real-time. The service should mimic the functionality of Uptimerobot, but with the ability to track stock levels instead of website uptime. Key Features: - Real-time updates: Constant monitoring of supplier's stock status - User login: Access to the tool via username and password - Email Notifications: Instant alerts for changes in stock levels Key Skills & Experience: - Proficiency in web development and API integration - Prior experience in creating monitoring tools or systems - Strong background in notification systems (email preferred in this case) The ideal candidate should be able to deliver a robust and user-friendly service that meets my specific requirements. I...

I'm in need of a skilled web developer to create a platform where working professionals can post part-time job offers and seekers can apply. Key Requirements: - I want a clean, professional layout, similar to popular job posting websites. - The platform should have a straightforward job posting and application process to encourage user engagement. - User accounts and profiles should be manageable, enabling both job posters and applicants to track their activity. - I need the site to be secure, with encrypted user data and a reliable payment gateway for potential premium features. Ideal Skills and Experience: - Proficiency in web development, with prior experience in job board website construction. - Strong understanding of e-commerce features, as the site will ...

Παρακαλούμε Κάνε Εγγραφή ή Κάνε Είσοδο για να δεις λεπτομέρειες.

...users. Real-Time Updates: Dine0ut keeps users informed about the status of their orders in real-time. From confirmation notifications to updates on preparation and delivery, users can track the progress of their orders every step of the way, ensuring transparency and peace of mind. User Feedback and Ratings: The app encourages users to leave feedback and ratings for restaurants and dishes they've ordered. This not only helps other users make informed decisions but also provides valuable insights to restaurants for improving their services. Promotions and Discounts: Dine0ut regularly offers promotions, discounts, and exclusive deals to incentivize users to order through the app. Whether it's a limited-time offer or a loyalty program, the app ensures that...

I'm looking for a professional who can guide me on filming a meeting with 3 iPhones and wireless lavalier mics. The goal is to have the video and audio ...well-synchronized for post-production editing. Key Responsibilities: - Set up 3 iPhones for optimal video quality - Configure wireless lavalier mics for clear audio - Advise on real-time synchronizing of video and audio Ideal Skills and Experience: - Extensive experience with video production - Proficiency in using iPhones for filming - Knowledge of wireless lavalier mic setup - Understanding of real-time video and audio synchronization Meeting Length: Less than 1 hour Environment: Indoors with controlled lighting I need assistance in all aspects of this setup, including ensuring that the video and audio mat...

We are a call center and we are looking for a remote Portuguese phone operator for a back office/sale job . Part-time or full time. Working hours are Portugal day hours. It needs to be native level, with a pc, good internet connection, good headset and a quite place where to work. We pay 3$ fix + bonus. Bid with 10$ hours (test period). Please write a couple of line of your self or better send a CV. Thank you

Siamo un call center, cerchiamo un operatore telefonico madrelingua italiano da inserire nel nostro team di back office. Devi avere un computer (no smartphone o tablet), internet veloce, buone cuffie, spazio silenzioso dove lavorare. Conoscenza del computer e velocità di apprendimento. Stipendio 4€/ora Se mi capisci fai bid da 10$ Inviate un cv per valutazione

Παρακαλούμε Κάνε Εγγραφή ή Κάνε Είσοδο για να δεις λεπτομέρειες.

I am seeking a full-time Data Analyst in the IT industry. - You must have comprehensive knowledge of various programming languages, database design, data modeling, and strong numerical abilities. - Previous experience in IT industry and analyzing large and complex data sets will be preferable. - Being detail-oriented, having problem-solving skills and possessing a decent understanding of machine-learning algorithms would be considered a strong plus. - Essential qualifications include a degree in Computer Science or a similar field. Please apply if you have the necessary skills and interest in this role.

I am seeking a Detroit-based Environmental Geologist for a project-based, part-time role. Key responsibilities will include: - Conducting Environmental Impact Assessments to ensure all operations meet the necessary guidelines and legislation. -soil and groundwater sampling in the state of Michigan - Regular field inspections within the Detroit, Michigan area. - the potential for report preparation - less than 25% full time per month This opportunity is ideally suited to individuals possessing a sound knowledge of environmental geology and previous experience in carrying out Environmental Impact Assessments. A willingness to spend a considerable amount of time in the field is essential. Local candidates will be given preference due to the nature of ...

As trading markets speed up to a millisecond pace, I need a tool that offers a competitive edge. I'm specifically looking for a PC program that can live monitor order flow in a DOM (Depth of Market), successfully identify three-digit numbers and subsequently provide a sound alert to notify me. Key Details: - The program needs to be fast to cater for frequent changes in millisecond time-frames. - I don't have a preference for a programming language. Python, Java, and C++ are all acceptable. - At this stage, I'm unsure which order flow software I'll be using. Therefore, the program needs to be built with adaptability in mind to synchronize smoothly with any potential order flow software. - A sound alert should be triggered whenever a three-digit nu...

I'm in need of a diligent data entry specialist for my remote position. - Your main responsibility will be to input and maintain data in our custom CRM or database software. The average workload will consist of 100 to 500 entries per day. The job is part-time, offering flexible hours and the convenience of working from home. Ideal candidates should have: - Excellent typing skills - Strong attention to detail - Proficiency in data entry software, particularly in a CRM or database context - Good time-management skills Your expertise in data entry will help us keep our records up to date and running smoothly. Your dedication and precision are key to ensuring we maintain high data quality standards.