Database systems for similar accommodation determination

A system for replacing a canceled listing for a guest user, system comprising one or more processors configured execute instructions that cause the processor to perform operations of:

• receiving an indication that a booking by the guest user has been canceled by a host user, the booking associated with the canceled listing and a time period;
• retrieving, from an attribute database, attributes of the canceled listing;
• mapping each attribute of the canceled listing to a set of similar attributes in an equivalence table;
• retrieving, from a listing database, a set of comparable listings, each comparable listing including one or more of the mapped similar attributes and being available for booking during the time period;
• and
• booking one of the set of comparable listings for the guest user during the time period by populating to a booking data structure with a connection between the one of the set of comparable listings and the guest user.

A computer readable medium configured to store instructions, the instructions when executed by a processor cause the processor to:

• receive an indication that a booking by a guest user has been canceled by a host user, the booking associated with the canceled listing and a time period;
• retrieve, from an attribute database, attributes of the canceled listing;
• map each attribute of the canceled listing to a set of similar attributes in an equivalence table;
• retrieve, from a listing database, a set of comparable listings, each comparable listing including one or more of the mapped similar attributes and being available for booking during the time period;
• and
• book one of the set of comparable listings for the guest user during the time period by populating to a booking data structure with a connection between the one of the set of comparable listings and the guest user.