| 词条 | Machine-generated data |
| 释义 |
RelevanceMachine-generated data has no single form; rather, the type, format, metadata, and frequency respond to some particular business purpose. Machines often create it on a defined time schedule or in response to a state change, action, transaction, or other event. Since the event is historical, the data is not prone to be updated or modified. Partly because of this quality, the U.S. court systems consider machine-generated data as highly reliable.[6] Machine-generated data is the lifeblood of the Internet of Things (IoT).[7] GrowthIn 2009, Gartner published that data will grow by 650% over the following five years.[8] Most of the growth in data is the byproduct of machine-generated data.[4] IDC estimated that in 2020, there will be 26 times more connected things than people.[9] Wikibon issued a forecast of $514 billion to be spent on the Industrial Internet in 2020.[10] ProcessingGiven the fairly static yet voluminous nature of machine-generated data, data owners rely on highly scalable tools to process and analyze the resulting dataset. Almost all machine-generated data is unstructured but then derived into a common structure.[4] Typically, these derived structures contain many data points/columns. With these data points, the challenge lies mostly with analyzing the data. Given high performance requirements along with large data sizes, traditional database indexing and partitioning limits the size and history of the dataset for processing. Alternative approaches exist with columnar databases as only particular "columns" of the dataset would be accessed during particular analysis. Examples
NotesReference List1. ^Chorafas, Dimitris N., Control Systems Functions and Programming Approaches: Applications, 1966, https://books.google.com/books?id=D1qDu4nTmvsC 2. ^Monash, 12/30/2010 3. ^Abadi 4. ^1 2 Monash, Three Broad Categories of Data 5. ^Deloach, Machine Generated Data 6. ^Federal Evidence Review, Machine Generated Data was Not Statement and Raised no Hearsay 7. ^{{cite tweet|user=SethGrimes|author=Seth Grimes|number=707286159135784960|date=8 March 2016|title=Machine-generated data is the lifeblood of the Internet of Things (#IoT): a key but missing point.}} 8. ^ScienceLogic 9. ^ , Chuck's Blog 10. ^ , Wikibon 11. ^1 2 3 4 Monash, Examples of Machine Generated Data Bibliography{{refbegin}}
1 : Computer data |
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