1. A method comprising: receiving a data item pertaining to a listing of a good or service on an information storage and retrieval platform; associating an additional data item with the data item, the additional data item including an aspect-value pair, the aspect-value pair being an aspect of the good or service and a value of the aspect, the aspect of the good or service being a physical characteristic of the good or service, the value of the aspect being one value of a plurality of values associated with the physical characteristic of the good or service; receiving a search query; associating the search query with the aspect-value pair based on a correspondence between the search query and the aspect of the good or service and a correspondence between the search query and the value of the aspect; selecting the listing from a plurality of listings on the information storage and retrieval platform based on the associating of the search query with the aspect-value pair, the selecting being implemented by a processor; and providing the data item in response to the search query.