>>> from sklearn.decomposition import LatentDirichletAllocation
>>> lda = LatentDirichletAllocation(
... n_components=10,
... learning_decay=0.7,
... learning_offset=50.0,
... max_iter=10,
... batch_size=128,
... evaluate_every=-1,
... perp_tol=0.1,
... mean_change_tol=0.001,
... max_doc_update_iter=100,
... random_state=0,
... )
>>> from techminer2.packages.topic_modeling.user import ThemeToDocumentsMapping
>>> mapping = (
... ThemeToDocumentsMapping()
... #
... # FIELD:
... .with_field("raw_descriptors")
... .having_terms_in_top(50)
... .having_terms_ordered_by("OCC")
... .having_term_occurrences_between(None, None)
... .having_term_citations_between(None, None)
... .having_terms_in(None)
... #
... # DECOMPOSITION:
... .using_decomposition_algorithm(lda)
... .using_top_terms_by_theme(5)
... #
... # TFIDF:
... .using_binary_term_frequencies(False)
... .using_row_normalization(None)
... .using_idf_reweighting(False)
... .using_idf_weights_smoothing(False)
... .using_sublinear_tf_scaling(False)
... #
... #
... # DATABASE:
... .where_root_directory_is("example/")
... .where_database_is("main")
... .where_record_years_range_is(None, None)
... .where_record_citations_range_is(None, None)
... .where_records_match(None)
... #
... .run()
... )
>>> import pprint
>>> pprint.pprint(mapping)
{0: ['Anagnostopoulos I., 2018, J ECON BUS, V100, P7',
'Anshari M., 2019, ENERGY PROCEDIA, V156, P234',
'Chen L./1, 2016, CHINA ECON J, V9, P225',
'Demertzis M., 2018, J FINANC REGUL, V4, P157',
'Deng X., 2019, SUSTAINABILITY, V11, FINTECH AND SUSTAINABLE DEVEL',
'Haddad C., 2019, SMALL BUS ECON, V53, P81',
'Hu Z., 2019, SYMMETRY, V11',
'Kang J., 2018, HUMCENTRIC COMPUT INF SCI, V8',
'Leong C., 2017, INT J INF MANAGE, V37, P92',
'Li Y./1, 2017, FINANCIAL INNOV, V3',
'Mackenzie A., 2015, LONDON BUS SCH REV, V26, P50',
'Magnuson W., 2018, VANDERBILT LAW REV, V71, P1167',
'Puschmann T., 2017, BUSIN INFO SYS ENG, V59, P69',
'Schueffel P., 2016, J INNOV MANAG, V4, P32',
'Shim Y., 2016, TELECOMMUN POLICY, V40, P168',
'Zhao Q., 2019, SUSTAINABILITY, V11'],
1: ['Brummer C., 2019, GEORGET LAW J, V107, P235',
'Jagtiani J., 2018, J ECON BUS, V100, P1',
'Jagtiani J., 2018, J ECON BUS, V100, P43'],
2: ['Iman N., 2018, ELECT COMMER RES APPL, V30, P72',
'Zavolokina L., 2016, FINANCIAL INNOV, V2',
'Zavolokina L., 2016, INT CONF INF SYST ICIS'],
3: ['Arner D.W., 2017, NORTHWEST J INTL LAW BUS, V37, P373',
'Gimpel H., 2018, ELECTRON MARK, V28, P245',
'Gomber P., 2018, J MANAGE INF SYST, V35, P220',
'Lim S.H., 2019, INT J HUMCOMPUT INTERACT, V35, P886',
'Romanova I., 2016, CONTEMP STUD ECON FINANC ANAL, V98, P21'],
5: ['Cai C.W., 2018, ACCOUNT FINANC, V58, P965',
'Chen M.A., 2019, REV FINANC STUD, V32, P2062',
'Das S.R., 2019, FINANC MANAGE, V48, P981',
'Gabor D., 2017, NEW POLIT ECON, V22, P423'],
6: ['Alt R., 2018, ELECTRON MARK, V28, P235',
'Buchak G., 2018, J FINANC ECON, V130, P453',
'Dorfleitner G., 2017, FINTECH IN GER, P1',
'Du W.D., 2019, J STRATEGIC INFORM SYST, V28, P50',
'Gai K., 2017, LECT NOTES COMPUT SCI, V10135 LNCS, P236',
'Gai K., 2018, J NETWORK COMPUT APPL, V103, P262',
'Goldstein I., 2019, REV FINANC STUD, V32, P1647',
'Gomber P., 2017, J BUS ECON, V87, P537',
'Hinson R., 2019, CURR OPIN ENVIRON SUSTAINABILITY, V41, P1'],
7: ['Gozman D., 2018, J MANAGE INF SYST, V35, P145',
'Saksonova S., 2017, EUR RES STUD, V20, P961'],
8: ['Jagtiani J., 2019, FINANC MANAGE, V48, P1009'],
9: ['Gracia D.B., 2019, IND MANAGE DATA SYS, V119, P1411',
'Jakšič M., 2019, RISK MANAGE, V21, P1',
'Kim Y., 2016, INT J APPL ENG RES, V11, P1058',
'Lee I., 2018, BUS HORIZ, V61, P35',
'Ryu H.-S., 2018, IND MANAGE DATA SYS, V118, P541',
'Stewart H., 2018, INF COMPUT SECURITY, V26, P109',
'Wonglimpiyarat J., 2017, FORESIGHT, V19, P590']}