Phd comprehensive exam sample questionstrabajos

...Search for Technology Companies - I am looking for a freelancer who can assist me in gathering email addresses from a list of companies. - The purpose of this project is to collect data for research purposes. - The ideal freelancer should have experience in data collection and be proficient in conducting online research. - The project requires gathering a substantial number of email addresses from a sample of 4800 companies aprox. - Attention to detail and accuracy are crucial in this project to ensure the validity of the collected email addresses. - The freelancer should be able to efficiently navigate various online resources and databases to find the required information. - The project timeline should be around ten days. -The payment will be 0.015€/email found....

...that establishing a business focused on providing effective and sustainable pest control solutions in agriculture is not only a lucrative opportunity but also a significant contribution to the well-being of the farming community and the country's economic development. Market Development and Expansion Strategies: The business of agricultural pest control in India would greatly benefit from a comprehensive approach that addresses the diverse needs and challenges of farmers across the country. Agriculture in India is incredibly diverse, encompassing a wide range of crops from rice and wheat to tropical fruits and exotic spices. Therefore, our business would be designed to adapt to these diverse needs, offering specialized solutions for each type of crop and region. In terms ...

Tengo 2 marcas de gimnasios functional training en Guatemala. 1) F45 Training (2 estudios con 300 clientes promedio) 2) Femme Fit (4 estudios y por abrir el quinto con +200 clientes por estudio y un porgrama en línea "Femme Home" con 250 clientes promedio. Tenemos mucha data, pero no en orden y estoy buscando apoyo de alguien "Experto en Estadísticas y Formatos de Data en Excels", para ordenar y simplificar toda la información y así poder tener información inmediata para tomar decisiones en cuanto a varios factores...... ingresos, gastos, utilidades, CAC, ingresos por sede por tipo de plan (anual, semestral, trimestral, mensual), tiempo promedio x cliente en los gimnasios, entre otros. Posteriormente a este proyecto me interesa segui...

...Competencia en diseño arquitectónico 2D y 3D. - Gran atención al detalle - Habilidades creativas para la resolución de problemas. I am in need of an experienced and creative architect who specializes in residential design. The project will involve designing a home, and I require both 2D blueprints and 3D models. Key aspects of the project: - Home design from scratch - Creation of comprehensive 2D architectural plans - Creation of detailed 3D models The ideal candidate will have: - Extensive experience in residential design - Proficiency in 2D and 3D architectural design - Strong attention to detail - Creative problem-solving skills....

...features for service providers to upload images and detailed descriptions of their previous work. Ideal skills for this project: - Proven experience in app development, specifically with platforms offering multiple services. - High-level coding skills. - UI/UX expertise. - Familiarity with integrating image uploading and detailed text capabilities. When submitting your bid, please include a comprehensive project proposal detailing your understanding of the project and proposed approach. Understanding of demand-services platforms will strongly favor your application. I look forward to your innovative solutions and seeing your proficiency at work. ----------------------- Brief para Desarrollo de Aplicaciones Descripción del proyecto: es una plataforma de servicios ba...

Hola , Espero que te encuentres bien. Estoy buscando un desarrollador talentoso que pueda ayudarme a crear un sistema de gestión de consultas médicas y citas similar a DoctorCliq, con algunos cambios específicos para adaptarlo a mis necesidades. El sistema debe tener las siguientes características principales: Gestión de citas: Capacidad para programar, modificar y cancelar citas médicas de manera eficiente, tanto para pacientes como para médicos. Historias clínicas electrónicas: Un sistema para almacenar y acceder fácilmente a la información médica de los pacientes, incluyendo diagnósticos, tratamientos y notas clínicas. Facturación: Funcionalidad para generar facturas y realizar ...

Módulo Kumpels Pharma Kumpels es una empresa de tecnología para el sector de la salud, enfocada en la gestión de medicación hospitalaria. Su próxima innovación, Kumpels Pharma, automatiza la revisión y priorización de medicamentos de pacientes. El desarrollo actual incluye diseño front-end, arquitectura back-end, lógica de datos y hosting en la nube. Requerimientos Técnicos: Inicio de Sesión: Subdominio en kumpels.com.co. Campos para e-mail, contraseña. Funcionalidad de "Olvidé mi contraseña". Gestión de roles y permisos. Registro de Usuarios: Almacenamiento seguro de información. Encriptación de contraseñas. Recuperación de contrase&nti...

...Geographic Data Collection Project with Sample File Included Description: We are seeking a professional or team skilled in geographic data collection for a project aimed at identifying and recording the geolocation coordinates of toll stations across various European countries. The success of this project hinges on the accuracy and reliability of the data collected, which will be crucial for optimizing the routes for overland freight transport. Project Objectives: Toll Station Identification: Locate all toll stations in the assigned countries. Geographic Coordinates Registration: Document the precise coordinates of each station. Classification by Highway: Compile a list categorized by highway with the gathered information. Deliverables: A comprehensive list of toll stat...

...Search for Technology Companies - I am looking for a freelancer who can assist me in gathering email addresses from a list of companies. - The purpose of this project is to collect data for research purposes. - The ideal freelancer should have experience in data collection and be proficient in conducting online research. - The project requires gathering a substantial number of email addresses from a sample of 7000 companies aprox. - Attention to detail and accuracy are crucial in this project to ensure the validity of the collected email addresses. - The freelancer should be able to efficiently navigate various online resources and databases to find the required information. - The project timeline should be around ten days. -The payment will be 0.015€/email...

En ciertos servicios de un api rest que guarda objetos en bases de datos, hace el guardado correctamente pero devuelve un estado 500, ademas de devolverlo en la..."id": 79, "rentType": { "id": 1, "propertyType": { "id": 1, "name": "Apartment ", "description": "A residential unit within a building, typically part of a larger", "image": "images/blog/", "active": true }, "name": "asd", "active": true }, "name": "Sample Name", "enabled": true, "notes": "Sample descriptio...

/inversiones .- Seleccionamos la oportunidad de inversión 2.- Lanzamos al club inversor la oferta 3.- En caso de no cerrar el grupo, lo promocionamos. 4.- Cerrado el grupo se realizan los siguientes pasos: – Compra del terreno. Ingreso en cuenta instrumental notarial. Notario Fidel Sánchez, en Toledo. En el mismo acto se integra como accionista en la S.L. que se creará por proyecto. – Obtención de la licencia de obra. Ingreso en cuenta instrumental notarial. – Formalización de crédito hipotecario de 3 a 5 años, máximo. – Formalización del contrato con Vipre Home, constructora. – De forma permanente auditor financiero y técnico para la ejecución de la obra. Esto será pu...

...Analysis: Utilize data analysis techniques to understand market trends, audience interaction, and the effectiveness of different types of content. Optimization of Marketing Strategies: Provide users with concrete, data-driven ideas for customer acquisition and business expansion. Integrated Tools: Provide additional functionalities such as budget creation and competition analysis to facilitate comprehensive management. Key Functionalities Customized Data Entry: Users can input specific information about their sector, profession, services, location, and whether they operate nationally or internationally. Content Idea Generation: Based on the data inputted, the application uses artificial intelligence algorithms to suggest content ideas, whether images or videos, that will res...

Ya contamos con esa version instalada pero deseamos personalizacion de los modulos siguentes en open educat: Es importante mencionar que tenemos educat en un servidor y odoo erp en otro servidor , ya configurados pero deseamos personalizacion OpenEduCat Admission OpenEduCat Classroom OpenEduCat Attendance OpenEduCat Assignment OpenEduCat Exam OpenEduCat Facility OpenEduCat Fees OpenEduCat Parent OpenEduCat Timetable CRM Proyecto Gestión de facturas Constructor del sitio web Tableros Encuesta

...desarrollo completo, incluidas tecnologías back-end y front-end, y un portafolio que muestre proyectos similares que haya realizado. La familiaridad con las aplicaciones de fitness y el diseño de la interfaz de usuario son una ventaja. También es necesario un gran conocimiento de la integración de pasarelas de pago seguras. --- I am seeking an experienced fullstack developer to create a comprehensive fitness and nutrition application. The main features of the app should encompass: - Exercise Tracking: Ability to log and monitor different workouts. - Meal Planning: Functionality that allows users to plan their daily meals. - Progress Tracking: Tools to monitor users' weight and fitness progress over time. - Video Gallery: A media galler...

...sides a, b, c, and angles α, β, and γ. When these values change, the displayed lattice drawing should also change, showing the name of the lattice corresponding to one of the 14 possible options. Additionally, there should be an explanation to the user of why that lattice is formed with those specific values. All of this should be within the same window. In quiz mode, the application presents 10 questions. Each question involves displaying a lattice figure with random values of a, b, c, α, β, and γ. The user in each question must choose from 3 different options which lattice was formed, and the application should show the results indicating if the selections were correect or not. 1-if the answer is correct, specify the explanation 2-if the answer...

Busco a alguien con experiencia en web scraping o extracción de datos para scrapear aproximadamente 30,000 URLs de perfiles de LinkedIn. Necesito que, en un archivo Excel que yo proveeré, se ...cada perfil tiene en LinkedIn según lo que se haya extraido de ese perfil.. Requisitos: • Experiencia previa en web scraping o extracción de datos... especialmente con Linkedin. • Capacidad para cumplir con el plazo de entrega de menos de cinco días. Entregables: • Un archivo Excel actualizado con la columna “Cantidad de Seguidores” llena para cada URL de perfil proporcionada. Sample: • Tengo un sample de 500 url de perfiles de linkedin que tte pasaré y me demostrarás que has podido con varios de...

...a backup restore, with the system automatically creating two backups per day. 4- Electronic voucher listing: Allow exporting the list as PDF and Excel files, similar to the existing function in the system. Additionally, include an option to automatically send vouchers via email. 5- Internal Chat: Implement an internal chat system within the application for all users, offering a modern and comprehensive chat experience. Include a button to send the invoice to the customer via WhatsApp and enable the option to send sales-related actions (such as credit sales, reservation sales, and proformas) to customers via WhatsApp. The sending of invoices through WhatsApp should have a button or checkbox in the finish payment section. The system currently has a function to send information to...

...management. The backend handles business logic, authentication, authorization, and communication with databases or other external services. Optimal performance and strong security measures are essential to safeguard the application's data and functionality. 4. Integration and Testing (Week 8) In this phase, the frontend and backend are combined to create a complete functional application. Comprehensive testing is conducted to ensure that all components work seamlessly together and meet the established requirements. This includes tests for functionality, performance, security, and usability. Possible Alternatives: Use automated testing tools like Jest, Selenium, or Postman to streamline the error detection process. Implement a peer review (code review) process to ensure c...

Requiero dos personas que que tengan terminado un Doctorado (PhD) en Ingenieria preferiblemente en las áreas de la electronica, telecomunicaciones, ciencias de datos, ingenieria de sistemas, Control y que preferiblemente hablen el idioma epañol. El trabajo consiste en servir como probable jurado evaluador de un anteproyecto de investigación en el área de las telecomunicaciones. Debe ser de nacionalidad fuera de Colombia.

...reservation system, automatic uploads to the pay the client to be in the first places and integration of payments. It is particularly important that the site have the ability to automatically upload and renew ads, as well as personalized email automation. Also, you would need you to integrate Google Analytics, optimize the website for SEO and ensure secure hosting. Please let me know if you have any questions or ideas about how this project could be adapted to my specific needs. reference: Delivery time: 1-2 months...

Project Description: The objective of this project is to develop a Python script that can be executed daily and perform incremental data extraction from Indeed's job listings. The script will collect comprehensive information about offers, including their title, company, location, work schedule, job description, salary, and hours. All the extracted data will be stored in a MongoDB database. The script will be designed to be easily understood and configurable for daily execution. It will accept parameters for specifying the search criteria for job offers, such as location, publication date, and job type. This flexibility will allow users to customize the search and adapt it to their specific needs. The project will involve the following key components: Data Extraction: The s...

...map. This is something essential because otherwise it would not be useful for the videos. I can provide a map of the peninsula with the outline and with the rivers in svg, so the base would be in the necessary resolution. You can get the map here: I would like you to show me some maps or work that you have done that resemble what I need. Any questions do not hesitate to let me know and I will help you in any way I can....

Mi proyecto exige la realización de investigación de alto nivel para el que busco desarrollar y redactar un marco teórico, así como un estado del arte para una tesis. Estamos hablando de un proyecto de grado de alto nivel académico. Esta investigación debe ser exhaustiva e incluir notas bibliográficas actualizadas, teorías y sistemas de análisis para apoyar la redacción del trabajo. Debe ser un trabajo original y no incluir una cantidad excesiva de citas de fuentes anteriores. Por lo tanto, estoy buscando a alguien con conocimientos profundos en investigación y con la destreza de encontrar y comprender la información necesaria para completar este proyecto

...web es: ecuanitrilo.com. Un sitio de referencia podría ser: cauchosvikingos.com. Prefiero trabajar con alguien que hable español. EN: It is required to improve the appearance of a website in Spanish, about the sale and manufacture of rubber products. In addition, SEO (Search Engine Optimization) is required, which includes determining the best search keywords. The Website is: ecuanitrilo.com. Sample site: cauchosvikingos.com. Spanish speakers preferred!...

Hola, lo que quiero debe ser sencillo para ustedes, quiero que solamente dominios específicos se registren en mi sitio y asi evitar el spam y registro de bots. Les comparto este enlace que es prácticamente lo que quiero.

...at min 600dpi resolution. 4. Originality and quality work is expected. Illustrations MUST be simple and oriented to kids for coloring the different element parts. ====================================== NOTES: 1. There is no rush. Just time for quality work. 2. If we're satisfied with your work and you're interested/available, we will keep your profile for future projects. 3. Do not copy the sample image, do not include anything that was not originally created and designed by you. Do not plagiarize other artist's work! If you are awarded with this project and your illustrations are used, you will be credited for your artwork in the final product. 4. All author's copyrights including character/item design, features, commercial exploitation, usage, modificati...

A programmer with experience in power platforms is required for on-demand advice on Microsoft 365 services, especially power apps and automate. We're building apps with Power Apps, conections with sharepoint and one drive and need a consultant to help us with some of questions Examples of questions we have: 1. we need to connect power apps with an excel that is on one drive but the user that will make the app its not the owner of the archive in one drive 2. we need an app that will works as an information bank, it have to look for information on any column of the list of sharepoint. It should be also editable, but the current version we have just look for information in the first column It is necessary that you speak Spanish or English

I need someone to take my a PDF which is a historical legal document written in Spanish. I need it to be retyped exactly the same (same page breaks, headings, underlines, numbers etc.) and kept in Spanish (no translation required, just a straight copy). I need whoever does this to speak fluent Spanish to ensure it is done properly. Sample of one page is attached. The document is 15 pages in total. THIS MUST BE ACCURATE AND EXACTLY THE SAME AS THE PDF. This is a legal document, it needs to be copied exactly, I dont care about the font etc. I need it delivered back as a word document. We need the legal Spanish document remade into Spanish so that we can then translate into English as a second project, however I require the copy to be accurate so that the translation is also accur...

Atención! Por favor leer el proyecto antes de ofertar por él, solo acepto hispanohablantes y personas que se hayan tomado el tiempo de entenderlo. Tengo un pequeño negoc...parecer Google Sheets no es muy amigable con la impresion por scritp (como la función print() sencilla). El objetivo es trasladar esa hoja, sin importar mucho la estética, principalmente la funcionalidad de imprimir ese ticket, he leído en varios lugares que se debe crear una plantilla en HTML e introducirla en el código: Adjunto el archivo actual con el que trabajo (tiene macros, pueden leerla) y tresimágenes de cómo se ven las hojas.

...website. and the other task Explore the data o Access the JSON dataset from Movebank that is returned from this REST URL: vidual_local_identifiers=4262-84830876&individual_local_identifiers=1163- 1163&individual_local_identifiers=2131-2131&sensor_type=gps o explore the data with your browser and answer the following questions: o The tracks of which species are the recorded in this file? o How many individual animals (“individuals”) are present in the data? o How can the latitude coordinate be accessed through the JSON hierarchy? Finish the code line that assigns the latitude of the first data record of the second animal in the file to your yCoord variable: var yCoord = ajaxResponse.resposeJSON....

...trabajos. Adjunto una idea de logo personal y trabajos de Eliana. Por favor escribir si tienen alguna duda. Gracias! I would like a personal logo: Eliana Cabrera Eliana is an artist that works with embroidering in metal and also paintings. The logo will be used also to print stickers and add as a mark for her work. Attached you will find a sample logo and some of Eliana's embroidering works. Please message me if you have any questions. Thanks!...

Se presenta un proyecto de aplicación en Android. Diseñe e implemente la aplicación siguiendo el desarrollo de los ítems que se encuentran a continuación: Enunciado: aplicación en Android que despliegue información sobre al menos tres vehículos con sus características técnicas. Datos que deberá incluir: foto del vehículo, año, modelo y marca. Aspectos de interfaz: Los elementos deben ser organizados en forma de lista. La imagen se debe expandir al presionarla. También se puede acceder a la descripción a través de un menú contextual. El ícono aplicación debe ser el logotipo de una automotriz. La aplicación tendrá el nombre de la automotriz.

Proyecto de serie animada con animales antropomorfos en un entorno noventero y futurista. Se necesitan solo unos segundos de animación para una escena de muestra del episodio piloto. Animated series project with anthropomorphic animals in a 90s futuristic setting. Just a few seconds of animation are needed for a sample scene for the pilot episode

...posición para comienzo de numeracion/contador (cualquier numero de hasta 5 digitos ej:2000) 4-Software enumera todas las imagenes. Ej: , ABC2001.jpg...... 5-Software cambia numeros por letras siendo (a=0, b=1, c=2, d=3, e=4, f=5, g=6, h=7, i=8, j=9). resultando el nombre de los archivos así: , ABCcaab.... Similar apps: KenRename Link of interest: AGREGADO OPCIONAL: Si es factible el software puede incorporar funcion para detectar imágenes que se vean borrosas y la opción de eliminarlas ()...

Necesito realizar web BÁSICA en wordpress con estilo a: Es muy importante el idioma, Castellano principal Cuidando mucho la estética par...constructivamente tenemos todas las habilidades y recursos, incluso fabricación própia d emobiliario hierro madera. La web se enfoca a B2c principalmente, pero via estrategia de marketing clientify nos presentaremos a B2B para arquitectos, gestores de comunidades, estudios de diseño, ingenierias... Elementos importantes: - 2 IDIOMAS - Formulario de presupuesto: - Formulario Captación de Currículums de industriales según especialidad: Quieres trabajar con nosotros? (fontaneria, albañileria, electricidad, climatización, domótica)

El módulo comentarios del core tiene un problema actualmente en Drupal 9: no filtra los comentarios por idioma, ademá...solucionar el problema y otras soluciones vía hook y módulos personalizados, que en algunos casos no parecen resolver un tercer problema que es el contador de comentarios, que suma el de todos los idiomas aunque se hayan podido filtrar. En estas páginas se expresa claramente el problema y algunas posibles soluciones: y Lo que necesito es implementar una de esas soluciones o una nueva para mi sitio web (actualmente en Drupal 7 pero en proceso de actualización a Drupal 9). Preferiría que la solución fuese vía módulo y no parche.

Necesitamos crear un portal web donde una empresa de Headhunters publicará las vacantes desde su CRM. Después necesitaremos customizar los filtros de búsqueda de las vacantes, los botones, etc. Para ello, es necesario conectar la API del CRM a la página web. El CRM es RecruitCRM. Queremos algo así: Sample API powered jobs/careers page: El CRM automáticamente genera un HTML igual a este, lo cuál sirve como base: Sample iFrame powered jobs/careers page: Igualmente, esta es la documentación de la API del CRM: API Documentation:

Necesitamos crear un portal web donde una empresa de Headhunters publicará las vacantes desde su CRM. Después necesitaremos customizar los filtros de búsqueda de las vacantes, los botones, etc. Para ello, es necesario conectar la API del CRM a la página web. El CRM es RecruitCRM. Queremos algo así: Sample API powered jobs/careers page: El CRM automáticamente genera un HTML igual a este, lo cuál sirve como base: Sample iFrame powered jobs/careers page: Igualmente, esta es la documentación de la API del CRM: API Documentation:

Busco un diseñador creativo. El trabajo es en inglés. Yo proveo los copys pero es un plus si manejas el idioma Voy a enviarle un sample de los posts que tenemos para que haga una propuesta de prueba con nuestros colores y marca. El que lo haga mejor es a quien adjudico. INDISPENSABLE enseñar trabajo propio donde se vea el manejo de PARRILLA o grilla de contenidos de Instagram. 3 - 5 piezas a la semana para empezar. Si haces videos mejor. Si tu precio por pieza.

Experience and knowledge required. Texts in Spanish. Send a sample of your abilities and quote a rate per word.

...or mini market we sell fast food, drinks, candies, etc. We need logo and corporate image, we want to differentiate from our competitor offering a fast buying process, so we are inspired in FLASH comics. your design must use palette color of the reference (attachment files) we need the logo and a image of how could looks the front view of our store. Please be free to contact with me for answer questions. Note: we are include examples of our competitors stores. Estamos abriendo una tienda, el nombre es FLASH como tienda típica o minimercado vendemos comida rápida, bebidas, dulces, etc. Necesitamos logo e imagen corporativa, queremos diferenciarnos de nuestro competidor ofreciendo un proceso de compra rápido, por eso nos inspiramos en los cómics FLA...

Requerimos el diseño de la factura (localización Chilena) para Odoo v14 según la muestra adjunta. Como resultado se debe entregar el diseño (XML, CSS, etc.) y las instrucciones para su implementación. We require the invoice design (Chilean localization) for Odoo v14 according to the attached sample. As a result, the design (XML, CSS, etc.) and the instructions for its implementation must be delivered.

The job is very simple. Basically you will be replicating the part by replicating the phone and video from to one site, but a version of another app to another site. Preferably individual person(no agencies) AND PLEASE NO PERSONS WHO CHARGE OVER THE LIMIT. I REPEAT, DO NOT BID IF YOU CAN NOT DO IT FOR THE AMOUNT CLEARLY STATED! It is an extremely simple project, would do it myself but I don't have the time currently. A demo video to be effective and efficient timeframe. The example from snapchat website is 50sec. however this app does not have the number of features that snapchat has therefore I expect it to . The demo video only needs to show app features with objective to fully inform a person visually and create want in as creatively effective and shortest way possible. Time is n...

As part of an application in development, we need to include a spatial display and selection feature. Need to display spatial information in 2D to show the location of sampling points in non-urban areas. The application must display previously defined points, lines and polygons (geojson) and allow the user to select map background layers tha...captured information for each of the selected points. It is not necessary to make a saving of these, they can be printed by console. Your app must be able to synchronize the background map layers from internet-facing Azure Maps and save them to disk so that it can work offline in areas without coverage. Details and captures in the attachment The deliverable will be the source code of the project. Questions can be asked Spanish/English/Por...

Doctorante en Informática requiere apoyo operativo para desarrollar 4 artículos científicos para ser publicados en revistas científicas. Estos papers son requeridos para graduación de PhD sobre tema doctoral aprobado y para publicaciones científicas de filiación de empresa. El proyecto tiene un roadmap con una avance al 60% y tiene productos definidos para cada publicación siguiente. Ya se ha ejecutado experimentación y recolección de datos previa en primera instancia. Actualmente ya se cuenta con dos publicaciones. Se necesita un investigador anexo que tenga conocimientos de informática, ingeniería de software y programación, para que pueda desarrollar las siguientes actividades de apoyo: ...

Quiero crear una chat con websocket en PhD servidor y JavaScript por parte del cliente

...IOS preferably with Ionic vue. The project was created with Html5 (jquery 3.6, bootstrap 4 and SQlite). The graphic libraries that have been used are morris and raphael. The project uses cordova Bluetooth plugin to connect to external device. The project has 10 pages broken down into: - 1 page Form - 2 Bluetooth connection pages, one for testing and one for downloading data - 7 pages of sample data and graphs Delivery time 3 weeks...

Necesito locutor para vídeo empresarial. El vídeo dura aproximadamente 3 minutos. El trabajo es para principios de Junio ya que se debe tener listo el 17 del mismo mes. Por favor, pon tu propuesta con tu portafolio o un sample. Gracias!

Requiero de alguien que domine el contenido del Scrum Product Owner Professional Certificate para apoyar con la prueba dentro de dos días.

FEATURES OF REMOTE TECHNICAL SUPPORT AND COST March 13, 2018 The characteristics can be: You can do it and get informed at any time (flexible hours). You can solve the problems. They can give you personalized dialogue. It explains step by step what to do. Other questions can be resolved. Information such as audio, video, written lectures can be attached .. The remote technical support consists of an assistance to help the user to solve any type of problem with his computer over long distances through many types of contact; the most common is the phone line, most companies that sell hardware or software offer technical service by phone or other online forms such as e-mails or websites. Companies and institutions also generally have internal technical support for employees, students a...