This dataset contains 2648 records of web sites of different categories. The first column contains an URL for the web site, while the second column contains the web site category index and name. There are 7 categories in total:0 – Business (508); 1 – Education (394); 2 – Adult (115); 3 – Games (385); 4 – Health (456); 5 – Sport (299); 6 – Travel (491).Please note that some URLs can become unavailable over time.

This dataset contains 2648 records of web sites of different categories. The first column contains an URL for the web site, while the second column contains the web site category index and name. There are 7 categories in total:0 – Business (508); 1 – Education (394); 2 – Adult (115); 3 – Games (385); 4 – Health (456); 5 – Sport (299); 6 – Travel (491).Please note that some URLs can become unavailable over time.

This dataset contains email metadata collected from the “SpamAssassin public mail corpus” (https://spamassassin.apache.org/old/publiccorpus/, accessed on 31 May 2024). The metadata was extracted from all message and processed according to the email domain specific ontology presented in file file email.rdf. The visual representation of the ontology is presented in file email.svg. Dataset was used for machine learning experiments while preparing paper. Detailed description of the fields in file email.csv is available in the original paper (https://www.mdpi.com/2079-9292/13/14/2716) published by the authors and freely available at the publishers site. Please include proper paper citation if dataset is used for further experiments.

This dataset contains email metadata collected from the “SpamAssassin public mail corpus” (https://spamassassin.apache.org/old/publiccorpus/, accessed on 31 May 2024). The metadata was extracted from all message and processed according to the email domain specific ontology presented in file file email.rdf. The visual representation of the ontology is presented in file email.svg. Dataset was used for machine learning experiments while preparing paper. Detailed description of the fields in file email.csv is available in the original paper (https://www.mdpi.com/2079-9292/13/14/2716) published by the authors and freely available at the publishers site. Please include proper paper citation if dataset is used for further experiments.

This dataset contains email metadata collected from the “SpamAssassin public mail corpus” (https://spamassassin.apache.org/old/publiccorpus/, accessed on 31 May 2024). The metadata was extracted from all message and processed according to the email domain specific ontology presented in file email.rdf. The visual representation of the ontology is presented in file email.svg. File email.txt contains more detailed description of all fields.