Automatically extracts key/value pairs from short snippets of free text using OpenAI's GPT-3 completion API. The Summarizer computed field method takes as input a snippet of free text, and extracts key/value pairs informed by short samples of extracted values you provide.

Parameters

The following parameters are in the computed field's global Method parameter:

key	value	description
id (required)	`summarizer`
source_id (required)	field ID	Specifies a field whose output is a snippet of text with the key/value information you want to extract. If the snippet doesn't occur at a predictable location in the document, then you can use the Topic method to find it.
fields	string array	Names of the keys you want to extract. These names have an impact on the free-text extraction, so choose names that have a meaningful relationship to the target data to extract. For example, for a dollar amount of rent to extract, `rent`, `rents`, and `rent_in_dollars` are good naming choices.
samples	object array	Short snippets of text containing examples of how to extract information. Contains these parameters: `prompt` (string): A free-text example of the information you want to extract. `values` (string array): The target information to extract from this prompt. This array is a parallel array to the Fields parameter's array (the same length and same sequence). If GPT-3 can't find the target information in the Source ID parameter, it can generate an arbitrary value. To override this behavior, specify a Sample parameter whose Prompt parameter has a text snippet that's missing the target data, and whose Values array indicates the data is missing (for example, "N/A" or "not found").

Examples

The following example shows using the Summarizer method to extract the monthly rent and the payment frequency from a lease.

Config

{
  "fields": [
    {
      "id": "rent_raw",
      "anchor": {
        "match": {
          "type": "first"
        }
      },
      "method": {
        "id": "topic",
        "numLines": 3,
        "terms": [
          "pay",
          "leesee",
          "rent",
          "dollar"
        ]
      }
    }
  ],
  "computed_fields": [
    {
      "id": "rent_computed",
      "method": {
        "id": "summarizer",
        "source_id": "rent_raw",
        "fields": [
          "rent_in_dollars",
          "payment_time_period"
        ],
        "samples": [
          {
            "prompt": "Rent 8. Subject to the provisions of this short-term Lease, the rent for the Property is $234.00 each and every week (the \"Rent\").",
            "values": [
              "$234.00",
              "week"
            ]
          },
          {
            "prompt": "Rent for this commerical property is due in advance on the ist day of the quarter, at $20,125.00 per quarter, beginning on November 15, 2015, payable to Owner/Agent at 123 Main Blvd., Sacramento, CA 95864. Payments made in person may be delivered to Owner/Agent between the hours of 24/Z.",
            "values": [
              "$20,125.00",
              "quarter"
            ]
          },
          {
            "prompt": "Leesee must pay rents biweekly. For the dollar amount due, see addedendum A.",
            "values": [
              "not found",
              "biweekly"
            ]
          }
        ]
      }
    }
  ]
}

Example document

The following image shows the example PDF used with this example config:

Click to enlarge

Example PDF	Download link

Output

{
  "rent_raw": {
    "type": "string",
    "value": "1. 2 RENTS AND CHARGES Lessee shall pay 895.00 dollars per month for rent. The first month’s rent and/or prorated rent amount shall be due prior to move-in."
  },
  "rent_computed": [
    {
      "rent_in_dollars": "$895.00",
      "payment_time_period": "month"
    }
  ]
}