• Data quality refers to the state of qualitative or quantitative pieces of information. There are many definitions of data quality, but data is generally...
    41 KB (4,780 words) - 04:57, 24 May 2025
  • Quality of Data (QoD) is a designation coined by L. Veiga, that specifies and describes the required Quality of Service of a distributed storage system...
    4 KB (409 words) - 19:06, 31 August 2023
  • The Information Quality Act (IQA) or Data Quality Act (DQA), passed through the United States Congress in Section 515 of the Consolidated Appropriations...
    15 KB (1,622 words) - 05:58, 5 June 2025
  • processing often via scripts or a data quality firewall. After cleansing, a data set should be consistent with other similar data sets in the system. The inconsistencies...
    18 KB (2,658 words) - 13:07, 24 May 2025
  • Data quality, refers to the condition of a set of values of qualitative or quantitative variables Quality assurance (QA) Quality control (QC) Quality...
    2 KB (245 words) - 16:34, 19 January 2025
  • Thumbnail for Data warehouse
    data store and may require data cleansing for additional operations to ensure data quality before it is used in the data warehouse for reporting. The...
    39 KB (4,775 words) - 14:10, 24 May 2025
  • Thumbnail for Data management
    era also saw the rise of data governance practices, which prioritized the organization and regulation of data to ensure quality and compliance. Over time...
    13 KB (1,328 words) - 04:18, 19 May 2025
  • phase of a quality assurance strategy referred to as the DMAIC model (define, measure, analyze, improve, control). DMAIC is a data-driven quality strategy...
    28 KB (3,238 words) - 11:22, 3 June 2025
  • Thumbnail for Data analysis
    identifying inaccuracy of data, overall quality of existing data, deduplication, and column segmentation. Such data problems can also be identified through...
    66 KB (7,188 words) - 14:10, 8 June 2025
  • as a proxy term for data quality, while data validation is a prerequisite for data integrity. Data integrity is the opposite of data corruption. The overall...
    19 KB (2,241 words) - 13:08, 4 June 2025
  • data decay, data rot or bit rot. This results in a decline in data quality over time, even when the data is not being utilized. The concept of data degradation...
    20 KB (2,267 words) - 23:29, 10 April 2025
  • Thumbnail for Microsoft SQL Server
    tools: Power Pivot, Power View, the BI Semantic Model, Master Data Services, Data Quality Services and xVelocity in-memory analytics. Workgroup SQL Server...
    61 KB (7,167 words) - 05:20, 24 May 2025
  • Thumbnail for Big data
    to the quality or insightfulness of the data. Without sufficient investment in expertise for big data veracity, the volume and variety of data can produce...
    160 KB (16,271 words) - 14:45, 8 June 2025
  • access to the data they need to best do their jobs. When they do have access to the data, the data quality may be poor. By setting up a data governance practice...
    14 KB (1,628 words) - 21:22, 16 June 2025
  • Thumbnail for Geographic information system
    poor quality. Existing data printed on paper or PET film maps can be digitized or scanned to produce digital data. A digitizer produces vector data as an...
    103 KB (13,339 words) - 13:57, 13 June 2025
  • A data quality firewall is the use of software to protect a computer system from the entry of erroneous, duplicated or poor quality data. Gartner estimated...
    2 KB (281 words) - 17:09, 27 December 2023
  • view of all data, for uses such as master data management, where key data is needed, or data governance for improving data quality. Data profiling refers...
    8 KB (873 words) - 12:46, 28 May 2025
  • complex models for information quality. Most information system practitioners use the term synonymously with data quality. However, as many academics make...
    12 KB (1,386 words) - 04:42, 24 May 2025
  • Thumbnail for Data lake
    enforce data quality like a data warehouse. A data lakehouse architecture attempts to address several criticisms of data lakes by adding data warehouse capabilities...
    9 KB (1,033 words) - 18:24, 14 March 2025
  • different applications, users, or data flows, or to guarantee a certain level of performance to a data flow. Quality of service is particularly important...
    38 KB (4,650 words) - 07:12, 1 April 2025
  • computing, data validation or input validation is the process of ensuring data has undergone data cleansing to confirm it has data quality, that is, that...
    12 KB (1,637 words) - 05:52, 27 February 2025
  • Thumbnail for Data synchronization
    which user may face in data synchronization: data formats complexity; real-timeliness; data security; data quality; performance. Data formats tend to grow...
    12 KB (1,591 words) - 13:10, 24 January 2024
  • transactional data such as orders and receipts and is not housed separately. ISO 8000 is the international standard for data quality and data portability...
    7 KB (702 words) - 12:27, 22 May 2025
  • A data steward is an oversight or data governance role within an organization, and is responsible for ensuring the quality and fitness for purpose of the...
    13 KB (1,467 words) - 09:26, 2 April 2025
  • Kalakou F, Hoeck HC, Hansen G; et al. (2015). "Impact of source data verification on data quality in clinical trials: an empirical post hoc analysis of three...
    2 KB (239 words) - 19:32, 1 September 2024
  • is also known as determining data quality. Data exploration can also refer to the ad hoc querying or visualization of data to identify potential relationships...
    5 KB (607 words) - 14:22, 2 May 2022
  • policies. Enhancing data lineage with data quality measures and master data management adds business value. Although data lineage is typically represented through...
    42 KB (5,937 words) - 15:54, 4 June 2025
  • The Data Quality Campaign (DQC) is a nonpartisan, nonprofit advocacy organization launched in the United States in 2005 to improve the quality, accessibility...
    19 KB (1,960 words) - 22:32, 3 November 2024
  • Thumbnail for Data set
    Commission for Europe (2007). Statistical Data Editing: Impact on Data Quality: Volume 3 of Statistical Data Editing, Conference of European Statisticians...
    10 KB (922 words) - 11:17, 2 June 2025
  • Thumbnail for Air quality index
    territory publishes air quality data for individual monitoring locations, and most states and territories publish air quality indexes for each monitoring...
    66 KB (5,121 words) - 03:37, 13 May 2025