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EpiTator-1.3.5
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مشاهده بیشتر
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مشاهده بیشتر
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مشاهده بیشترتوضیحات
Annotators for extracting epidemiological information from text.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | EpiTator-1.3.5 |
| نام | EpiTator |
| نسخه کتابخانه | 1.3.5 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | EcoHealth Alliance |
| ایمیل نویسنده | breit@ecohealthalliance.org |
| آدرس صفحه اصلی | https://github.com/ecohealthalliance/EpiTator |
| آدرس اینترنتی | https://pypi.org/project/EpiTator/ |
| مجوز | - |
EpiTator
********
Annotators for extracting epidemiological information from text.
Installation
============
.. code:: bash
pip install epitator
python -m spacy download en_core_web_md
Annotators
==========
Geoname Annotator
-----------------
The geoname annotator uses the geonames.org dataset to resolve mentions of geonames.
A classifier is used to disambiguate geonames and rule out false positives.
To use the geoname annotator run the following command to import geonames.org
data into epitator's embedded sqlite3 database:
You should review the geonames license before using this data.
.. code:: bash
python -m epitator.importers.import_geonames
Usage
-----
.. code:: python
from epitator.annotator import AnnoDoc
from epitator.geoname_annotator import GeonameAnnotator
doc = AnnoDoc("Where is Chiang Mai?")
doc.add_tiers(GeonameAnnotator())
annotations = doc.tiers["geonames"].spans
geoname = annotations[0].geoname
geoname['name']
# = 'Chiang Mai'
geoname['geonameid']
# = '1153671'
geoname['latitude']
# = 18.79038
geoname['longitude']
# = 98.98468
Resolved Keyword Annotator
--------------------------
The resolved keyword annotator uses an sqlite database of entities to resolve
mentions of multiple synonyms for an entity to a single id.
This project includes scripts for importing infectious diseases and animal species into
that database. The following commands can be used to invoke them:
The scripts import data from the `Disease Ontology <http://disease-ontology.org/>`_,
`Wikidata <https://www.wikidata.org/>`_
and `ITIS <https://www.itis.gov/>`_.
You should review their licenses and terms of use before using this data.
Currently the Disease Ontology is under public domain and ITIS requests citation.
.. code:: bash
python -m epitator.importers.import_species
# By default entities under the disease by infectious agent class will be
# imported from the disease ontology, but this can be altered by supplying
# a --root-uri parameter.
python -m epitator.importers.import_disease_ontology
python -m epitator.importers.import_wikidata
Usage
-----
.. code:: python
from epitator.annotator import AnnoDoc
from epitator.resolved_keyword_annotator import ResolvedKeywordAnnotator
doc = AnnoDoc("5 cases of smallpox")
doc.add_tiers(ResolvedKeywordAnnotator())
annotations = doc.tiers["resolved_keywords"].spans
annotations[0].metadata["resolutions"]
# = [{'entity': <sqlite3.Row>, 'entity_id': u'http://purl.obolibrary.org/obo/DOID_8736', 'weight': 3}]
Count Annotator
---------------
The count annotator identifies counts, and case counts in particular.
The count's value is extracted and parsed. Attributes such as whether the count
refers to cases or deaths, or whether the value is approximate are also extracted.
Usage
-----
.. code:: python
from epitator.annotator import AnnoDoc
from epitator.count_annotator import CountAnnotator
doc = AnnoDoc("5 cases of smallpox")
doc.add_tiers(CountAnnotator())
annotations = doc.tiers["counts"].spans
annotations[0].metadata
# = {'count': 5, 'text': '5 cases', 'attributes': ['case']}
Date Annotator
--------------
The date annotator identifies and parses dates and date ranges.
All dates are parsed into datetime ranges. For instance, a date like "11-6-87"
would be parsed as a range from the start of the day to the start of the next day,
while a month like "December 2011" would be parsed as a range from the start
of December 1st to the start of the next month.
Usage
-----
.. code:: python
from epitator.annotator import AnnoDoc
from epitator.date_annotator import DateAnnotator
doc = AnnoDoc("From March 5 until April 7 1988")
doc.add_tiers(DateAnnotator())
annotations = doc.tiers["dates"].spans
annotations[0].metadata["datetime_range"]
# = [datetime.datetime(1988, 3, 5, 0, 0), datetime.datetime(1988, 4, 7, 0, 0)]
Structured Data Annotator
-------------------------
The structured data annotator identifies and parses embedded tables.
Usage
-----
.. code:: python
from epitator.annotator import AnnoDoc
from epitator.structured_data_annotator import StructuredDataAnnotator
doc = AnnoDoc("""
species | cases | deaths
Cattle | 0 | 0
Dogs | 2 | 1
""")
doc.add_tiers(StructuredDataAnnotator())
annotations = doc.tiers["structured_data"].spans
annotations[0].metadata
# = {'data': [
# [AnnoSpan(1-8, species), AnnoSpan(11-16, cases), AnnoSpan(19-25, deaths)],
# [AnnoSpan(26-32, Cattle), AnnoSpan(36-37, 0), AnnoSpan(44-45, 0)],
# [AnnoSpan(46-50, Dogs), AnnoSpan(56-57, 2), AnnoSpan(64-65, 1)]],
# 'delimiter': '|',
# 'type': 'table'}
Structured Incident Annotator
-----------------------------
The structured incident annotator identifies and parses embedded tables that
describe case counts paired with location, date, disease and species metadata.
Metadata is also extracted from the text around the table.
Usage
-----
.. code:: python
from epitator.annotator import AnnoDoc
from epitator.structured_incident_annotator import StructuredIncidentAnnotator
doc = AnnoDoc("""
Fictional October 2015 rabies cases in Svalbard
species | cases | deaths
Cattle | 0 | 0
Dogs | 4 | 1
""")
doc.add_tiers(StructuredIncidentAnnotator())
annotations = doc.tiers["structured_incidents"].spans
annotations[-1].metadata
# = {'location': {'name': u'Svalbard', ...},
# 'species': {'label': u'Canidae', ...},
# 'attributes': [],
# 'dateRange': [datetime.datetime(2015, 10, 1, 0, 0), datetime.datetime(2015, 11, 1, 0, 0)],
# 'type': 'deathCount',
# 'value': 1,
# 'resolvedDisease': {'label': u'rabies', ...}}
Architecture
============
EpiTator provides the following classes for organizing annotations.
AnnoDoc - The document being annotated. The AnnoDoc links to the tiers of annotations applied to it.
AnnoTier - A group of AnnoSpans. Each annotator creates one or more tiers of annotations.
AnnoSpan - A span of text with an annotation applied to it.
License
=======
Copyright 2016 EcoHealth Alliance
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
نحوه نصب
نصب پکیج whl EpiTator-1.3.5:
pip install EpiTator-1.3.5.whl
نصب پکیج tar.gz EpiTator-1.3.5:
pip install EpiTator-1.3.5.tar.gz