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Public Safety & Crime Data DatasetPlatform-seededFree

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Public Safety & Crime: Crime Reporting Terms, Codes & Classifications

A free glossary of U.S. crime-reporting terms and classification systems — UCR, NIBRS, Part I index crimes, the violent- and property-crime definitions, clearance rate, the hierarchy rule, NCVS, and recidivism — with precise plain-language definitions drawn from the FBI and the Bureau of Justice Statistics. Platform-curated public-domain reference data, free for analysts building or interpreting crime datasets.

0 sold 400 views7/14/2026
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{
  "_type": "curated_open_data",
  "as_of": "2026-07",
  "links": {
    "canonical": "https://verticalmarketplace.ai",
    "docs_for_llms": "https://verticalmarketplace.ai/llms.txt",
    "sell_your_own": "https://verticalmarketplace.ai/api/marketplace/listings",
    "vertical_listings": "https://verticalmarketplace.ai/api/marketplace/listings?vertical=public-safety"
  },
  "records": [
    {
      "term": "UCR (Uniform Crime Reporting)",
      "category": "Reporting system",
      "reference": "FBI",
      "definition": "The FBI program that compiles crime statistics from law-enforcement agencies"
    },
    {
      "term": "NIBRS",
      "category": "Reporting system",
      "reference": "FBI",
      "definition": "National Incident-Based Reporting System; captures detailed data on each incident"
    },
    {
      "term": "Part I / index crimes",
      "category": "Classification",
      "reference": "FBI UCR",
      "definition": "Serious offenses historically used to gauge crime trends"
    },
    {
      "term": "Part II offenses",
      "category": "Classification",
      "reference": "FBI UCR",
      "definition": "Less serious offenses reported only when an arrest is made"
    },
    {
      "term": "Violent crime",
      "category": "Definition",
      "reference": "FBI UCR",
      "definition": "Murder, rape, robbery, and aggravated assault"
    },
    {
      "term": "Property crime",
      "category": "Definition",
      "reference": "FBI UCR",
      "definition": "Burglary, larceny-theft, motor vehicle theft, and arson"
    },
    {
      "term": "Clearance rate",
      "category": "Metric",
      "reference": "FBI UCR",
      "definition": "Share of reported offenses closed by arrest or exceptional means"
    },
    {
      "term": "Crime rate",
      "category": "Metric",
      "reference": "FBI UCR",
      "definition": "Number of offenses per 100,000 population"
    },
    {
      "term": "NCVS",
      "category": "Survey",
      "reference": "Bureau of Justice Statistics",
      "definition": "National Crime Victimization Survey measuring victimization, including unreported crime"
    },
    {
      "term": "Hierarchy rule",
      "category": "Methodology",
      "reference": "FBI UCR",
      "definition": "Summary-reporting rule that counts only the most serious offense in an incident"
    },
    {
      "term": "Dark figure of crime",
      "category": "Concept",
      "reference": "Bureau of Justice Statistics",
      "definition": "Crime that occurs but is never reported to or recorded by police"
    },
    {
      "term": "Recidivism",
      "category": "Corrections",
      "reference": "Bureau of Justice Statistics",
      "definition": "The tendency of a released offender to reoffend"
    },
    {
      "term": "NCIC",
      "category": "System",
      "reference": "FBI",
      "definition": "National Crime Information Center; FBI database of criminal-justice records"
    },
    {
      "term": "Imprisonment rate",
      "category": "Metric",
      "reference": "Bureau of Justice Statistics",
      "definition": "Sentenced prisoners under state or federal jurisdiction per 100,000 residents"
    }
  ],
  "sources": [
    {
      "url": "https://www.fbi.gov/how-we-can-help-you/more-fbi-services-and-information/ucr",
      "name": "FBI UCR Program"
    },
    {
      "url": "https://bjs.ojp.gov",
      "name": "Bureau of Justice Statistics"
    }
  ],
  "category": "glossary",
  "vertical": "public-safety",
  "data_note": "All records are public-domain facts compiled from the cited sources as of the asOf date. This content is authored and served by the platform itself — it is not seller data, so the marketplace's zero-storage promise about seller datasets is unaffected.",
  "record_count": 14,
  "what_this_is": "A platform-published open-data listing curated by Open Data Desk, the marketplace's in-house public-data seller. It is real free inventory: it counts in marketplace statistics and is purchasable for $0 through the normal purchase flow, which delivers this payload with an Ed25519-signed receipt.",
  "record_schema": {
    "term": "The crime-reporting term, metric, or classification",
    "category": "Topical grouping",
    "reference": "Authoritative source that defines the term",
    "definition": "Plain-language meaning"
  },
  "buyer_use_cases": [
    "Standardize crime terminology across an analytics or newsroom team",
    "Correctly interpret UCR versus NIBRS and NCVS figures",
    "Onboard new researchers to justice-data classifications"
  ]
}

The full dataset is delivered after purchase. Fingerprint: sha256:b16de41279ec65476e0958c835a0e8f1d3c19b8823c94658abf9951a06fc2d09

Questions & answers

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License — Vertical Marketplace Data License v1

Data is contributed by independent third-party sellers. Vertical Marketplace facilitates the transaction; sellers keep 95% on everyday sales from $20 to $49,999.99 under the year-one founding rate locked through 2027-06-30 (full schedule: GET /api/meta). Prohibited content (digital keys/licenses/game codes, and health data the seller does not own — e.g. patient records) is not permitted; individuals may sell their own personal health data only via the signed Health Data Consent Flow. See /terms.

Permitted
  • Use the purchased data for your own commercial and non-commercial work
  • Create derivative analyses, models, and works from the data
Restricted
  • No reselling or re-listing the purchased data on this or any other marketplace
  • No redistributing the raw data payload as-is to third parties
  • Exclusive listings are sold to a single buyer and delisted on purchase
  • Limited listings are sold to a capped number of buyers and delisted once sold out
Price
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