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Related Concept Videos

Data Collection by Survey01:07

Data Collection by Survey

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The systematic method of obtaining and analyzing accurate information of a population is called data collection. A survey is a standard method of data collection that involves collecting information from a target human population about their experience, opinion, or knowledge of a product, service, or process. The responses are recorded and interpreted. The most common survey examples are written questionnaires, face-to-face or telephonic conversations, focus groups, and electronic (e-mail or...
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Data collection is a systematic method of obtaining, observing, measuring, and analyzing accurate information. An experimental study is a standard method of data collection that involves the manipulation of the samples by applying some form of treatment prior to data collection. It refers to manipulating one variable to determine its changes on another variable. The sample subjected to treatment is known as “experimental units.”
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Data collection gathers information needed to make accurate judgments about a patient's present condition. During a health history interview, subjective data is collected from the patient, their caregivers, or family members, and objective data is collected through observations and physical assessment. Patients are the primary source of subjective data. Thus information gathered from patients through interviews, observations, and physical examination is primary data. Secondary sources of...
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Gel electrophoresis is a method that separates biological macromolecules like nucleic acids or proteins by forcing them to pass through a gel matrix under an electric field.
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The physical assessment examines the patient for objective data that defines the patient's condition, and aids in formulating the nursing care plan. The purpose of physical assessment is a health status appraisal, which includes identifying health problems, and establishing a database for nursing intervention.
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Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
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Dataset for WWW landing pages webobject retrieval performance evaluation.

Patrick Seeling1

  • 1Department of Computer Science, Central Michigan University, United States.

Data in Brief
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This study details a World Wide Web (WWW) measurement campaign, analyzing webobject expiration times using data from Amazon Web Service (AWS) datacenters. The dataset aids research into web performance and caching mechanisms.

Keywords:
Information retrievalPerformance evaluationWeb cachingWorld Wide Web

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Area of Science:

  • Computer Science
  • Web Science
  • Network Performance

Background:

  • Understanding webobject caching is crucial for efficient internet performance.
  • Previous research often lacks comprehensive, real-world data on webobject lifecycles.
  • International data center variability impacts web content delivery.

Purpose of the Study:

  • To present a novel dataset capturing webobject behavior across distributed datacenters.
  • To enable research into webobject expiration times and related performance metrics.
  • To provide a foundation for further analysis of web performance factors.

Main Methods:

  • A multi-day World Wide Web (WWW) measurement campaign was conducted.
  • Automated web browser (Chrome via Selenium) controlled repetitive website requests.
  • Webobjects captured via proxy server and stored in SQLite3 databases.
  • A Python script provided for evaluating webobject expiration times.

Main Results:

  • The dataset contains detailed information on webobjects and website visits.
  • Analysis of configured versus actual webobject expiration times is supported.
  • Data facilitates investigation into international datacenter performance variations.

Conclusions:

  • The dataset offers a valuable resource for web performance and caching research.
  • Researchers can easily explore webobject dynamics beyond expiration times.
  • The data supports diverse inquiries into World Wide Web (WWW) behavior.