Natural Language Processing¶
NLP Calls
POST nlp/parse¶
Performs Part of Speech (POS) tagging, Named Entity Recognition (NER), dependency parsing, tokenization, sentiment analysis, and other core functions of the eContext NLP stack. Connections to this endpoint are currently limited to select users. Please contact us if you’re interested in accessing these functions.
Example Request¶
POST Request¶
curl -X POST -u username:password --data-binary @nlp-parse-input.json \ --header "Content-type: application/json" \ https://api.econtext.com/v2/nlp/parse
The contents of nlp-parse-input.json.json:
{
"text":"The American Red Cross exists to provide compassionate care to those in need. Our network of generous donors, volunteers and employees share a mission of preventing and relieving suffering, here at home and around the world."
}
POST Response¶
{
"econtext": {
"nlp": {
"doc": {
"sentences": [
{
"index": 0,
"char_offset": [
0,
77
],
"tokens": [
{
"text": "The",
"lemma": "the",
"index": 0,
"char_offset": [
0,
3
],
"part_of_speech": {
"tag": "DT",
"detail": "determiner"
},
"dependency_parse": {
"head_index": 3,
"label": "det"
}
},
{
"text": "American",
"lemma": "American",
"index": 1,
"char_offset": [
4,
12
],
"part_of_speech": {
"tag": "NNP",
"detail": "noun, proper singular"
},
"dependency_parse": {
"head_index": 3,
"label": "compound"
}
},
{
"text": "Red",
"lemma": "Red",
"index": 2,
"char_offset": [
13,
16
],
"part_of_speech": {
"tag": "NNP",
"detail": "noun, proper singular"
},
"dependency_parse": {
"head_index": 3,
"label": "compound"
}
},
{
"text": "Cross",
"lemma": "Cross",
"index": 3,
"char_offset": [
17,
22
],
"part_of_speech": {
"tag": "NNP",
"detail": "noun, proper singular"
},
"dependency_parse": {
"head_index": 4,
"label": "nsubj"
}
},
{
"text": "exists",
"lemma": "exist",
"index": 4,
"char_offset": [
23,
29
],
"part_of_speech": {
"tag": "VBZ",
"detail": "verb, 3rd person singular present"
},
"dependency_parse": {
"head_index": 4,
"label": "ROOT"
}
},
{
"text": "to",
"lemma": "to",
"index": 5,
"char_offset": [
30,
32
],
"part_of_speech": {
"tag": "TO",
"detail": "infinitival to"
},
"dependency_parse": {
"head_index": 6,
"label": "aux"
}
},
{
"text": "provide",
"lemma": "provide",
"index": 6,
"char_offset": [
33,
40
],
"part_of_speech": {
"tag": "VB",
"detail": "verb, base form"
},
"dependency_parse": {
"head_index": 4,
"label": "xcomp"
}
},
{
"text": "compassionate",
"lemma": "compassionate",
"index": 7,
"char_offset": [
41,
54
],
"part_of_speech": {
"tag": "JJ",
"detail": "adjective"
},
"dependency_parse": {
"head_index": 8,
"label": "amod"
}
},
{
"text": "care",
"lemma": "care",
"index": 8,
"char_offset": [
55,
59
],
"part_of_speech": {
"tag": "NN",
"detail": "noun, singular or mass"
},
"dependency_parse": {
"head_index": 6,
"label": "dobj"
}
},
{
"text": "to",
"lemma": "to",
"index": 9,
"char_offset": [
60,
62
],
"part_of_speech": {
"tag": "IN",
"detail": "conjunction, subordinating or preposition"
},
"dependency_parse": {
"head_index": 6,
"label": "dative"
}
},
{
"text": "those",
"lemma": "those",
"index": 10,
"char_offset": [
63,
68
],
"part_of_speech": {
"tag": "DT",
"detail": "determiner"
},
"dependency_parse": {
"head_index": 9,
"label": "pobj"
}
},
{
"text": "in",
"lemma": "in",
"index": 11,
"char_offset": [
69,
71
],
"part_of_speech": {
"tag": "IN",
"detail": "conjunction, subordinating or preposition"
},
"dependency_parse": {
"head_index": 10,
"label": "prep"
}
},
{
"text": "need",
"lemma": "need",
"index": 12,
"char_offset": [
72,
76
],
"part_of_speech": {
"tag": "NN",
"detail": "noun, singular or mass"
},
"dependency_parse": {
"head_index": 11,
"label": "pobj"
}
},
{
"text": ".",
"lemma": ".",
"index": 13,
"char_offset": [
76,
77
],
"part_of_speech": {
"tag": ".",
"detail": "punctuation mark, sentence closer"
},
"dependency_parse": {
"head_index": 4,
"label": "punct"
}
}
]
},
{
"index": 1,
"char_offset": [
78,
224
],
"tokens": [
{
"text": "Our",
"lemma": "-PRON-",
"index": 14,
"char_offset": [
78,
81
],
"part_of_speech": {
"tag": "PRP$",
"detail": "pronoun, possessive"
},
"dependency_parse": {
"head_index": 15,
"label": "poss"
}
},
{
"text": "network",
"lemma": "network",
"index": 15,
"char_offset": [
82,
89
],
"part_of_speech": {
"tag": "NN",
"detail": "noun, singular or mass"
},
"dependency_parse": {
"head_index": 23,
"label": "nsubj"
}
},
{
"text": "of",
"lemma": "of",
"index": 16,
"char_offset": [
90,
92
],
"part_of_speech": {
"tag": "IN",
"detail": "conjunction, subordinating or preposition"
},
"dependency_parse": {
"head_index": 15,
"label": "prep"
}
},
{
"text": "generous",
"lemma": "generous",
"index": 17,
"char_offset": [
93,
101
],
"part_of_speech": {
"tag": "JJ",
"detail": "adjective"
},
"dependency_parse": {
"head_index": 18,
"label": "amod"
}
},
{
"text": "donors",
"lemma": "donor",
"index": 18,
"char_offset": [
102,
108
],
"part_of_speech": {
"tag": "NNS",
"detail": "noun, plural"
},
"dependency_parse": {
"head_index": 16,
"label": "pobj"
}
},
{
"text": ",",
"lemma": ",",
"index": 19,
"char_offset": [
108,
109
],
"part_of_speech": {
"tag": ",",
"detail": "punctuation mark, comma"
},
"dependency_parse": {
"head_index": 18,
"label": "punct"
}
},
{
"text": "volunteers",
"lemma": "volunteer",
"index": 20,
"char_offset": [
110,
120
],
"part_of_speech": {
"tag": "NNS",
"detail": "noun, plural"
},
"dependency_parse": {
"head_index": 18,
"label": "conj"
}
},
{
"text": "and",
"lemma": "and",
"index": 21,
"char_offset": [
121,
124
],
"part_of_speech": {
"tag": "CC",
"detail": "conjunction, coordinating"
},
"dependency_parse": {
"head_index": 20,
"label": "cc"
}
},
{
"text": "employees",
"lemma": "employee",
"index": 22,
"char_offset": [
125,
134
],
"part_of_speech": {
"tag": "NNS",
"detail": "noun, plural"
},
"dependency_parse": {
"head_index": 20,
"label": "conj"
}
},
{
"text": "share",
"lemma": "share",
"index": 23,
"char_offset": [
135,
140
],
"part_of_speech": {
"tag": "VBP",
"detail": "verb, non-3rd person singular present"
},
"dependency_parse": {
"head_index": 23,
"label": "ROOT"
}
},
{
"text": "a",
"lemma": "a",
"index": 24,
"char_offset": [
141,
142
],
"part_of_speech": {
"tag": "DT",
"detail": "determiner"
},
"dependency_parse": {
"head_index": 25,
"label": "det"
}
},
{
"text": "mission",
"lemma": "mission",
"index": 25,
"char_offset": [
143,
150
],
"part_of_speech": {
"tag": "NN",
"detail": "noun, singular or mass"
},
"dependency_parse": {
"head_index": 23,
"label": "dobj"
}
},
{
"text": "of",
"lemma": "of",
"index": 26,
"char_offset": [
151,
153
],
"part_of_speech": {
"tag": "IN",
"detail": "conjunction, subordinating or preposition"
},
"dependency_parse": {
"head_index": 25,
"label": "prep"
}
},
{
"text": "preventing",
"lemma": "prevent",
"index": 27,
"char_offset": [
154,
164
],
"part_of_speech": {
"tag": "VBG",
"detail": "verb, gerund or present participle"
},
"dependency_parse": {
"head_index": 26,
"label": "pcomp"
}
},
{
"text": "and",
"lemma": "and",
"index": 28,
"char_offset": [
165,
168
],
"part_of_speech": {
"tag": "CC",
"detail": "conjunction, coordinating"
},
"dependency_parse": {
"head_index": 27,
"label": "cc"
}
},
{
"text": "relieving",
"lemma": "relieve",
"index": 29,
"char_offset": [
169,
178
],
"part_of_speech": {
"tag": "VBG",
"detail": "verb, gerund or present participle"
},
"dependency_parse": {
"head_index": 27,
"label": "conj"
}
},
{
"text": "suffering",
"lemma": "suffering",
"index": 30,
"char_offset": [
179,
188
],
"part_of_speech": {
"tag": "NN",
"detail": "noun, singular or mass"
},
"dependency_parse": {
"head_index": 29,
"label": "dobj"
}
},
{
"text": ",",
"lemma": ",",
"index": 31,
"char_offset": [
188,
189
],
"part_of_speech": {
"tag": ",",
"detail": "punctuation mark, comma"
},
"dependency_parse": {
"head_index": 27,
"label": "punct"
}
},
{
"text": "here",
"lemma": "here",
"index": 32,
"char_offset": [
190,
194
],
"part_of_speech": {
"tag": "RB",
"detail": "adverb"
},
"dependency_parse": {
"head_index": 27,
"label": "advmod"
}
},
{
"text": "at",
"lemma": "at",
"index": 33,
"char_offset": [
195,
197
],
"part_of_speech": {
"tag": "IN",
"detail": "conjunction, subordinating or preposition"
},
"dependency_parse": {
"head_index": 32,
"label": "prep"
}
},
{
"text": "home",
"lemma": "home",
"index": 34,
"char_offset": [
198,
202
],
"part_of_speech": {
"tag": "NN",
"detail": "noun, singular or mass"
},
"dependency_parse": {
"head_index": 33,
"label": "pobj"
}
},
{
"text": "and",
"lemma": "and",
"index": 35,
"char_offset": [
203,
206
],
"part_of_speech": {
"tag": "CC",
"detail": "conjunction, coordinating"
},
"dependency_parse": {
"head_index": 33,
"label": "cc"
}
},
{
"text": "around",
"lemma": "around",
"index": 36,
"char_offset": [
207,
213
],
"part_of_speech": {
"tag": "IN",
"detail": "conjunction, subordinating or preposition"
},
"dependency_parse": {
"head_index": 33,
"label": "conj"
}
},
{
"text": "the",
"lemma": "the",
"index": 37,
"char_offset": [
214,
217
],
"part_of_speech": {
"tag": "DT",
"detail": "determiner"
},
"dependency_parse": {
"head_index": 38,
"label": "det"
}
},
{
"text": "world",
"lemma": "world",
"index": 38,
"char_offset": [
218,
223
],
"part_of_speech": {
"tag": "NN",
"detail": "noun, singular or mass"
},
"dependency_parse": {
"head_index": 36,
"label": "pobj"
}
},
{
"text": ".",
"lemma": ".",
"index": 39,
"char_offset": [
223,
224
],
"part_of_speech": {
"tag": ".",
"detail": "punctuation mark, sentence closer"
},
"dependency_parse": {
"head_index": 23,
"label": "punct"
}
}
]
}
],
"entities": [
{
"text": "American",
"label": "NORP",
"token_offset": [
1,
2
],
"char_offset": [
4,
12
]
}
],
"sentiment": 0.7974
}
},
"signature": {
"resource": "POST \/nlp\/parse",
"status": "200 OK - successful",
"client_ip": "209.41.117.158"
}
}
}
POST nlp/lid¶
Identify the language of some text input. Results are returned indicating an ISO 639-1 Code.
Example Request¶
POST Request¶
curl -X POST -u username:password --data-binary @nlp-lid-input.json \ --header "Content-type: application/json" \ https://api.econtext.com/v2/nlp/lid
The contents of nlp-lid-input.json:
{
"input":[
"Hello world",
"Hola Mundo",
"こんにちは世界"
]
}
POST Response¶
{
"econtext": {
"nlp": {
"lid": [
"en",
"es",
"ja"
]
},
"signature": {
"resource": "POST \/nlp\/lid",
"status": "200 OK - successful",
"client_ip": "209.41.117.158"
}
}
}