the main is walk_experiments
kg = file of the graph (.ttl) page_rank_file = "data/pageranks_sorted_without_id.csv" click_stream_file = "data/clickstream-enwiki-2017-11.tsv" number_of_walks_per_resource = 250 depth = 8
to run call the method experiment_number() and pass number of the strategy between 1 and 14
1: uniform_weight,
2: predicate_frequency_weight,
3: inverse_predicate_frequency_weight,
4: predicate_object_frequency_weight,
5: inverse_predicate_object_frequency_weight,
6: object_frequency_weight,
7: inverse_object_frequency_weight,
8: inverse_object_frequency_split_weight,
9: page_rank_weight,
10: inverse_page_rank_weight,
11: page_rank_split_weight,
12: inverse_page_rank_split_weight,
13: click_stream_weight,
14: inverse_click_stream_weight