1. Kushmerick, N., Wrapper induction for information extraction, Ph.D. thesis, University of Washington, 1997.
2. Kolyada, A.S. and Gogunskii, V.D., Data extraction from weakly structured webbages, Vostochno-Evropeiskii Zh. Peredovykh Tekhnol., 2014, vol. 1, no. 9.
3. Chirkin, E.S., Problems of automatic data extraction from webpages, Materialy Nauchnoi konferentsii “Internet i sovremennoe obshchestvo” (Proc. of the Conf. on the Internet and Modern Society), 2013, pp. 291–294.
4. Kuznetsov, R.F., Extracting significant information from webpages using sentences, Sbornik Tezisov posternykh dokladov vos’moi vserossiiskoi konferentsii RCDL (Proc. of the 8th All-Russia Conf. on Digital Libraries RCDL), 2006.
5. Chang, C.-H., Kayed, M., Girgis, M.R., and Shaala, K.F., A survey of web information extraction systems, IEEE Trans. Knowl, Data Eng., 2006. vol. 18, no. 10, pp. 1411–1428.