Encyclopedia of Database Systems

Reference:

Antti Ukkonen. Encyclopedia of Database Systems, chapter Frequent Partial Orders. Springer, 2009.

Suggested BibTeX entry:

@inbook{ukkonen09edbs,
    author = {Antti Ukkonen},
    chapter = {Frequent Partial Orders},
    publisher = {Springer},
    title = {Encyclopedia of Database Systems},
    year = {2009},
}