sols = [
    '''
        MATCH (author:Author)-[:WRITES]->(article:Article)
        RETURN author.name, article.title
    ''', 
    ('''
        match (author:Author)-[:WRITES]->(paper_or_chapter) 
        return author.name, paper_or_chapter.title, labels(paper_or_chapter)
    ''', 
    '''
        MATCH (author:Author)-[:WRITES]->(paper_or_chapter)
        WITH author, paper_or_chapter, labels(paper_or_chapter) as publicationType 
        WHERE publicationType=["Article"] or publicationType=["Chapter"] 
        RETURN author.name, paper_or_chapter.title, publicationType
    '''),
    ('''
        match (author:Author)-[:WRITES|EDITS]->(publication) 
        return author.name, publication.title, labels(publication)
    ''', 
    '''
        MATCH (author:Author)-[]->(publication)
        WHERE publication:Article or publication:Chapter or publication:Book
        RETURN author.name, publication.title, labels(publication)
    '''), 
    ('''
        match (author:Author)-[:WRITES|EDITS]->(publication) 
        return author.name, count(publication) as publication_count
    ''', 
    '''
        MATCH (author:Author)-[]->(publication)
        WHERE publication:Article OR publication:Chapter or publication:Book
        RETURN author.name, count(publication) as publication_count
    '''), 
    ('''
        match(a:Article)-[in:IN]->(:Issue)
        where (in.pp[1] - in.pp[0]) <= 10
        return a.title, (in.pp[1] - in.pp[0] + 1) as NumberOfPages
    ''', 
    '''
        MATCH (a:Article)-[e:IN]->(:Issue)
        WITH a, e.pp[1]-e.pp[0]+1 as NumberOfPages
        WHERE NumberOfPages <=10
        RETURN a.title, NumberOfPages
    '''), 
    '''
        MATCH (p2:Article)<-[]-(a1:Author)-[]->(p1:Article),(p1)-[:CITES]->(p2)
        RETURN a1.name, p1.title, p2.title
    ''', 
    '''
        MATCH (publication)<-[:CITES]-()
        WITH publication, count(*) as publication_count
        WHERE (publication:Article or publication:Chapter) and publication_count >= 2
        RETURN publication.title, publication_count
    ''', 
    ('''
        match (journal:Journal)<-[:OF]-(issue:Issue)<-[:IN]-(article:Article)<-[:CITES]-(someOtherPublication)
        with journal, article, count(someOtherPublication) as citations_count
        where citations_count > 1
        match (article)<-[:WRITES]-(author:Author)
        return journal.title, article.title, citations_count, author.name
    ''', 
    '''
        MATCH (author:Author)-[:WRITES]->(article:Article)-[:IN]->()-[]->(journal:Journal), ()-[e:CITES]->(article:Article)
        WITH journal, article, author, count(e) as citation_count
        WHERE citation_count >= 2
        RETURN journal.title, article.title, citation_count, author.name
    '''), 
    '''
        MATCH (a1:Article)-[:IN]->(i1:Issue)-[]->(:Journal)<-[]-(i2:Issue)<-[]-(a2:Article)
        WHERE (a1)-[:CITES]->(a2)
        RETURN a1.title, i1.issue, a2.title, i2.issue
    '''
]