## 2 Methodology
### Classification of GDSW Based on Machine Learning
#### 2.4.1 Classification Algorithm
[CrossRef]
* [PERSON] and [PERSON] (2014) [PERSON]; [PERSON]; [PERSON] Towards geospatial semantic search: Exploiting latent semantic relations in geospatial data. _Int. J. Digit. Earth_**2014**, \(7\), 17-37. [CrossRef]
* [PERSON] and [PERSON] (2016) [PERSON]; [PERSON] GeoWeb Crawler: An Extensible and Scalable Web Crawling Framework for Discovering Geospatial Web Resources. _ISPRS Int. J. Geo-Inf._**2016**, \(5\), 136. [CrossRef]
* [PERSON] et al. (2013) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Big Data from Space: Event Report. _IEEE Geosci. Remote Sens. Mag._**2013**, \(2\), 3. * [PERSON] et al. (2017) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Utilizing Cloud Computing to address big geospatial data challenges. _Comput. Environ. Urban Syst._**2017**, _61_, 120-128. [CrossRef]
* [PERSON] and [PERSON] (2018) [PERSON]; [PERSON] Multi-Agent Planning for Automatic Geospatial Web Service Composition in Geoporals. _ISPRS Int. J. Geo-Inf._**2018**, \(7\), 404. [CrossRef]
* [PERSON] (2021) [PERSON]; [PERSON] Open Community-Based Crowdsourcing Geoportal for Earth Observation Products: A Model Design and Prototype Implementation. _Int. J. Geo-Inf._**2021**, _10_, 24. [CrossRef]
* [PERSON] et al. (2010) [PERSON]; [PERSON]; [PERSON] An active crawler for discovering geospatial Web services and their distribution pattern--A case study of OGC Web Map Service. _Int. J. Geogr. Inf. Sci._**2010**, _24_, 1127-1147. [CrossRef]
* [PERSON] et al. (2013) [PERSON]; [PERSON]; [PERSON] Automatic Map Retrieval and Map Interpretation in the Internet. _Adv. Geogr. Inf. Sci._**2013**, 209-221. [CrossRef]
* [PERSON] et al. (2011) [PERSON]; [PERSON]; [PERSON] Semantic-based web service discovery and chaining for building an Arctic spatial data infrastructure. _Comput. Geosci._**2011**, _37_, 1752-1762. [CrossRef]
* [PERSON] et al. (2011) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Integrating semantic web technologies and geospatial catalog services for geospatial information discovery and processing in cyberinfrastructure. _Geoinformatica_**2011**, _15_, 273-303. [CrossRef]
* [PERSON] et al. (2017) [PERSON]; [PERSON]; [PERSON] A comprehensive methodology for discovering semantic relationships among geospatial vocabularies using oceanographic data discovery as an example. _Int. J. Geogr. Inf. Sci._**2017**, _31_, 1-19. [CrossRef]
* [PERSON] and [PERSON] (2005) [PERSON]; [PERSON] Knowledge representation in the semantic web for earth and environmental terminology (SWEET). _Comput. Geosci._**2005**, _31_, 1119-1125. [CrossRef]
* [PERSON] et al. (2015) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] The GeoLink modular oceanography ontology. In Proceedings of the International Semantic Web Conference, Bethlehem, PA, USA, 11-15 October 2015; Elsevier: Amsterdam, The Netherlands, 2015; pp. 301-309. * [PERSON] and [PERSON] (2020) [PERSON]; [PERSON] [PERSON] Website categorization: A formal approach and robustness analysis in the case of e-commerce detection. _Exp. Syst. Appl._**2020**, _142_, 113001. [CrossRef]
* [PERSON] and [PERSON] (2012) [PERSON]; [PERSON] Predicting e-commerce company success by mining the text of its publicly-accessible website. _Exp. Syst. Appl._**2012**, _39_, 13026-13034. [CrossRef]
* [PERSON] et al. (2018) [PERSON]; [PERSON]; [PERSON] Identifying e-Commerce in Enterprises by means of Text Mining and Classification Algorithms. _Math. Probl. Eng._**2018**, _2018 Pt 10, 7231920.1-7231920.8. [CrossRef]
* [PERSON] (2010) [PERSON] Web page classification: Features and algorithms. _Comput. Rev._**2010**, _51_, 318. [CrossRef]
* [PERSON] and [PERSON] (2008) [PERSON]; [PERSON] Two steps features selection and support vector machines for web page text categorization. _J. Comput. Inf. Syst._**2008**, \(4\), 133-138. * [PERSON] and [PERSON] (2016) [PERSON]; [PERSON] An efficient scheme for automatic web pages categorization using the support vector machine. _New Rev. Hypermed. Multimed._**2016**, _22_, 223-242.