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This REST Handler contains:

  • Endpoints that return Saga configuration and build information
  • Endpoints to process text and return the interpretation graph

Table of Contents
maxLevel2

Saga_rest_endpoint
EndpointprocessText
  • Will return a Saga interpretation graph in the format specified
  • By default, it returns the graph in HTML format which is used by the UI
  • It also can return JSON or plain text

Parameters

  • Parameter
    summaryThis is the text to process
    nameq
    requiredtrue
  • Parameter
    summaryList of tags to use to process the text
    nametags
    typestring array
    requiredtrue
  • Parameter
    summaryTag to use to process the text
    nametag
  • Parameter
    summaryPipeline or pipeline stage to use to process the text
    nameprocessor
  • Parameter
    summarySpecifies the regex to use to split text into TEXT_BLOCKs
    default[\r\n ]+
    namesplitRegex
  • Parameter
    summaryIf true, it will combine all the SEMANTIC_TAGs, which has same matching text and same confidence value
    defaultfalse
    namecombine
    typeboolean

    • The combination includes the metadata, of every SEMANTIC_TAG
  • Parameter
    summaryIf true, it will also add the components from the highest route confidence tokens.
    defaulttrue
    nameaddComponents
    typeboolean
  • Parameter
    summaryApplicable when addComponents is true. Indicates which components to add to the response
    namecompFields
    typestring array

    • If missing all the components will be added
  • Parameter
    summaryIf true, it will add the metadata of the entities found in every SEMANTIC_TAG
    defaultfalse
    namemetadata
    typeboolean
  • Parameter
    summarySpecifies the format of the results. It could be one of these values: "ux", "text" or "json"
    defaultux
    nametype
    • ux - Returns an output useful for Saga to show the graph on a web display.
    • text - Returns a "line" with the highest confidence route and a text representation of the graph.
    • json - Returns all the semantic tags on the graph.
  • Parameter
    summaryUsed to pretty format the JSON result
    defaultfalse
    namepretty
    typeboolean
Note

The parameters tags, tag and processor are mutually exclusive, only one is required, and the priority order is:

  1. tags
  2. tag
  3. processor


Request Examples

Code Block
languagepowershell
themeFadeToGrey
curl -X ${method} \
  http://localhost:${port}/${url} \
  -H 'Content-Type: application/json' \
  -d '
{
    "q": "I like traveling with Air Paris",
	"tags": ["airline"],
    "combine": true,
    "addComponents": true,
    "compFields": "paris",
	"splitRegex": "[\r\n]+",
	"type": "text",
	"pretty": true
}'

Response

Saga_json
{
  "_success": true,
  "data": {
    "line": [
      {
        "stage": "WhitespaceTokenizer",
        "confidence": 0.5,
        "match": "I",
        "flags": [
          "ORIGINAL",
          "ALL_UPPER_CASE",
          "TOKEN"
        ],
        "text": "I",
        "startPos": 0,
        "endPos": 1
      },
      {
        "stage": "WhitespaceTokenizer",
        "confidence": 0.5,
        "match": "like",
        "flags": [
          "ORIGINAL",
          "TOKEN",
          "ALL_LOWER_CASE"
        ],
        "text": "like",
        "startPos": 2,
        "endPos": 6
      },
      {
        "stage": "WhitespaceTokenizer",
        "confidence": 0.5,
        "match": "traveling",
        "flags": [
          "ORIGINAL",
          "TOKEN",
          "ALL_LOWER_CASE"
        ],
        "text": "traveling",
        "startPos": 7,
        "endPos": 16
      },
      {
        "stage": "WhitespaceTokenizer",
        "confidence": 0.4,
        "match": "with",
        "flags": [
          "ORIGINAL",
          "STOP_WORD",
          "TOKEN",
          "ALL_LOWER_CASE"
        ],
        "text": "with",
        "startPos": 17,
        "endPos": 21
      },
      {
        "components": [
          {
            "stage": "CaseAnalysis",
            "confidence": 0.45,
            "match": "Paris",
            "flags": [
              "ORIGINAL",
              "LOWERED",
              "TOKEN",
              "ALL_LOWER_CASE"
            ],
            "text": "paris",
            "startPos": 26,
            "endPos": 31
          }
        ],
        "stage": "DictionaryTagger",
        "confidence": 0.6975,
        "display": "Air Paris",
        "match": "Air Paris",
        "flags": [
          "SEMANTIC_TAG",
          "ENTITY"
        ],
        "text": "{airline}",
        "id": "34365531",
        "startPos": 22,
        "endPos": 31,
        "tags": [
          "airline"
        ]
      }
    ],
    "graph": " V-----------[I like traveling with Air Paris]-----------V \n ^-[I]-V-[like]-V-[traveling]-V-[with]-V-[Air]-V-[Paris]-^ \n ^-[i]-^                               ^-[air]-^-[paris]-^ \n                                       ^---[{airline}]---^ \n"
  }
}
Saga_rest_endpoint
EndpointprocessBatch
  • Will return a Saga interpretation graph in the format specified
  • By default, it returns the graph in HTML format which is used by the UI
  • It also can return JSON or plain text

Parameters

  • Parameter
    summaryList of texts to process
    namebatch
    typestring array
    requiredtrue
  • Parameter
    summaryList of tags to use to process the text
    nametags
    typestring array
    requiredtrue
  • Parameter
    summaryTag to use to process the text
    nametag
  • Parameter
    summaryPipeline or pipeline stage to use to process the text
    nameprocessor
  • Parameter
    summarySpecifies the regex to use to split text into TEXT_BLOCKs
    default[\r |\n ]+
    namesplitRegex
  • Parameter
    summaryIf true, it will combine all the SEMANTIC_TAGs, which has same matching text and same confidence value
    defaultfalse
    namecombine
    typeboolean

    • The combination includes the metadata, of every SEMANTIC_TAG
  • Parameter
    summaryIf true, it will also add the components from the highest route confidence tokens. ()
    defaulttrue
    nameaddComponents
    typeboolean
  • Parameter
    summaryApplicable when addComponents is true. Indicates which components to add to the response
    namecompFields
    typestring array

    • If missing all the components will be added
  • Parameter
    summaryIf true, it will add the metadata of the entities found in every SEMANTIC_TAG
    defaultfalse
    namemetadata
    typeboolean
Note

The parameters tags, tag and processor are mutually exclusive, only one is required, and the priority order is:

  1. tags
  2. tag
  3. processor


Request Examples

Code Block
languagepowershell
themeFadeToGrey
curl -X ${method} \
  http://localhost:${port}/${url} \
  -H 'Content-Type: application/json' \
  -d '
{
    "batch": ["I like traveling with Air Paris", "I enjoy traveling with Delta"],
	"tags": ["airline"],
    "combine": true,
    "addComponents": true,
    "compFields": "paris"
}'

Response

Saga_json
[
    {
        "data": {
            "line": [
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.5,
                    "match": "I",
                    "flags": [
                        "ORIGINAL",
                        "ALL_UPPER_CASE",
                        "TOKEN"
                    ],
                    "text": "I",
                    "startPos": 0,
                    "endPos": 1
                },
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.5,
                    "match": "like",
                    "flags": [
                        "ORIGINAL",
                        "ALL_LOWER_CASE",
                        "TOKEN"
                    ],
                    "text": "like",
                    "startPos": 2,
                    "endPos": 6
                },
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.5,
                    "match": "traveling",
                    "flags": [
                        "ORIGINAL",
                        "ALL_LOWER_CASE",
                        "TOKEN"
                    ],
                    "text": "traveling",
                    "startPos": 7,
                    "endPos": 16
                },
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.4,
                    "match": "with",
                    "flags": [
                        "ORIGINAL",
                        "STOP_WORD",
                        "ALL_LOWER_CASE",
                        "TOKEN"
                    ],
                    "text": "with",
                    "startPos": 17,
                    "endPos": 21
                },
                {
                    "components": [
                        {
                            "stage": "CaseAnalysis",
                            "confidence": 0.45,
                            "match": "Paris",
                            "flags": [
                                "ORIGINAL",
                                "ALL_LOWER_CASE",
                                "LOWERED",
                                "TOKEN"
                            ],
                            "text": "paris",
                            "startPos": 26,
                            "endPos": 31
                        }
                    ],
                    "stage": "DictionaryTagger",
                    "confidence": 0.6975,
                    "display": "Air Paris",
                    "match": "Air Paris",
                    "flags": [
                        "ENTITY",
                        "SEMANTIC_TAG"
                    ],
                    "text": "{airline}",
                    "id": "34365531",
                    "startPos": 22,
                    "endPos": 31,
                    "tags": [
                        "airline"
                    ]
                }
            ],
            "matches": [
                {
                    "components": [
                        {
                            "stage": "CaseAnalysis",
                            "confidence": 0.45,
                            "match": "Paris",
                            "flags": [
                                "ORIGINAL",
                                "ALL_LOWER_CASE",
                                "LOWERED",
                                "TOKEN"
                            ],
                            "text": "paris",
                            "startPos": 26,
                            "endPos": 31
                        }
                    ],
                    "stage": "DictionaryTagger",
                    "confidence": 0.6975,
                    "display": "Air Paris",
                    "match": "Air Paris",
                    "flags": [
                        "ENTITY",
                        "SEMANTIC_TAG"
                    ],
                    "text": "{airline}",
                    "id": "34365531",
                    "startPos": 22,
                    "endPos": 31,
                    "tags": [
                        "airline"
                    ]
                }
            ]
        }
    },
    {
        "data": {
            "line": [
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.5,
                    "match": "I",
                    "flags": [
                        "ORIGINAL",
                        "ALL_UPPER_CASE",
                        "TOKEN"
                    ],
                    "text": "I",
                    "startPos": 0,
                    "endPos": 1
                },
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.5,
                    "match": "enjoy",
                    "flags": [
                        "ORIGINAL",
                        "ALL_LOWER_CASE",
                        "TOKEN"
                    ],
                    "text": "enjoy",
                    "startPos": 2,
                    "endPos": 7
                },
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.5,
                    "match": "traveling",
                    "flags": [
                        "ORIGINAL",
                        "ALL_LOWER_CASE",
                        "TOKEN"
                    ],
                    "text": "traveling",
                    "startPos": 8,
                    "endPos": 17
                },
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.4,
                    "match": "with",
                    "flags": [
                        "ORIGINAL",
                        "STOP_WORD",
                        "ALL_LOWER_CASE",
                        "TOKEN"
                    ],
                    "text": "with",
                    "startPos": 18,
                    "endPos": 22
                },
                {
                    "stage": "WhitespaceTokenizer",
                    "confidence": 0.5,
                    "match": "Delta",
                    "flags": [
                        "ORIGINAL",
                        "TOKEN",
                        "TITLE_CASE"
                    ],
                    "text": "Delta",
                    "startPos": 23,
                    "endPos": 28
                }
            ],
            "matches": [
                {
                    "stage": "DictionaryTagger",
                    "confidence": 0.44999999999999996,
                    "display": "Delta Air Lines",
                    "match": "Delta",
                    "flags": [
                        "ENTITY",
                        "SEMANTIC_TAG"
                    ],
                    "text": "{airline}",
                    "id": "188920",
                    "startPos": 23,
                    "endPos": 28,
                    "tags": [
                        "airline"
                    ]
                }
            ]
        }
    }
]
Saga_rest_endpoint
Endpointsolution
MethodGET
  • Returns the information of the solution currently being used.
  • A solution is basically the set of Elasticsearch indices in use

Request Examples

Code Block
languagepowershell
themeFadeToGrey
curl --location --request GET 'http://localhost:${port}/${url}'

Response

Saga_json
	"_success": true,
    "elasticSearch": {
        "retries": 3,
        "hostname": "localhost",
        "delay": 5,
        "scheme": "http",
        "port": 9200,
        "indexName": "saga",
        "maxResults": 2000000,
        "timeout": 30
    },
    "display": "Saga"
Saga_rest_endpoint
Endpointinfo
MethodGET
  • Returns build-specific and configuration information about Saga
  • Build information contains title, vendor, version, build revision and date
  • Configuration information contains the solution (Elastic index) and providers configured at the moment

Request Examples

Code Block
languagepowershell
themeFadeToGrey
curl --location --request GET 'http://localhost:${port}/${url}'


Response

Saga_json
    "msg": "Saga API online",
    "_success": true,
    "buildInfo": {
        "Implementation-Title": "Saga Server",
        "Implementation-Build": "9dde0a32f17264f7b9004fc8d141e5b1cd0838b0",
        "Implementation-Version": "1.2.0",
        "Implementation-Timestamp": "1550261725668",
        "Implementation-Vendor-Id": "com.accenture.saga",
        "Built-By": "ronny.ortega.ugalde",
        "Build-Jdk": "11.0.2",
        "Implementation-Branch": "develop"
    },
    "solutions": [
        {
            "elasticSearch": {
                "retries": 3,
                "hostname": "localhost",
                "delay": 5,
                "scheme": "http",
                "port": 9200,
                "indexName": "saga",
                "maxResults": 2000000,
                "timeout": 30
            },
            "display": "Saga"
        }
    ],
    "ssl": false,
    "providers": [
        {
            "baseDir": "./config",
            "name": "filesystem-provider",
            "type": "FileSystem"
        },
        {
            "hostname": "localhost",
            "scheme": "http",
            "port": 9200,
            "maxResults": 2000000,
            "name": "saga-provider",
            "exclude": [
                "updatedAt",
                "createdAt"
            ],
            "type": "Elastic",
            "timestamp": "updatedAt"
        }
    ]
    ]

Saga_rest_endpoint
EndpointstopServer
MethodGET
  • Stops the Saga Server
Warning

If you stop the server via HTTP request, it can only be restarted on-premise


Request Examples

Code Block
languagepowershell
themeFadeToGrey
curl --location --request GET 'http://localhost:${port}/${url}'


Response