compare_scholar_careers
                        Compare the careers of multiple scholars
compare_scholars        Compare the citation records of multiple
                        scholars
get_citation_history    Get historical citation data for a scholar
get_num_articles        Calculates how many articles a scholar has
                        published
get_num_distinct_journals
                        Gets the number of distinct journals in which a
                        scholar has published
get_num_top_journals    Gets the number of top journals in which a
                        scholar has published
get_oldest_article      Gets the year of the oldest article for a
                        scholar
get_profile             Gets profile information for a scholar
get_publications        Gets the publications for a scholar
predict_h_index         Predicts the h-index for a researcher
scholar                 scholar
