Unified MQL Query Editor

Examples
    Utilities: Map KML • Permanent Link • Raw HTTP GET

    Usage

    JSON/P REST Service:

    http://umql.dfhuynh.user.dev.freebaseapps.com/read
  ?queries={"q1":{"query": ... }}
  &callback=foo

    Geosearch:

    /service/geosearch/centers

    center: a query node specifying the centers

    /service/geosearch/neighbors

    neighbor: a query node specifying the neighbors

    Common properties:

    distance: radius in kilometers around each center
    unit: "meter", "mile". Anything else is assumed to be kilometer.
    limit: total number of neighbors
    per_center_limit: number of neighbors for each center

    Relevance Query Node Parameters:

    /service/relevance

    pattern: text search pattern
    limit: total number of neighbors
    type: type of results

    Content Query Node Parameters:

    /service/content/article

    The outer query node is assumed to resolve to /common/topic's.
    mode: "raw" or "blurb" or not specified. When not specified, "blurb" is used first. If that fails, then "raw" is used.

    /service/content/blurb

    The outer query node is assumed to resolve to articles.

    /service/content/raw

    The outer query node is assumed to resolve to articles.

    Properties for blurb mode:

    maxlength: blurb character limit
    break_paragraphs: whether to break paragraphs
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