Enhancing search results with social labels

One or more computer readable storage media having program instructions stored thereon for facilitating enhanced document search that, when executed by a computing system, directs the computing system to at least:

• receive a search query from a first user;
• identify a plurality of documents in response to the search query;
• for each document,
• determine one or more relationships between the document and (i) the first user and (ii) at least one second user who interacted with the document;
• compare the one or more relationships to a plurality of candidate social labels to identify candidate social labels specifying relationships matching the one or more relationships, wherein each identified candidate social label specifies:
• at least one relationship between the document and (i) the first user and (ii) at least one second user, and an interaction with the document;
• score each identified candidate social label based on a representative trait shared in common by each of the candidate social labels;
• select, from among the identified candidate social labels, a social label based on scoring of each identified candidate social label;
• and
• cause a presentation of search results to the search query by causing a presentation of an indication of each document in the search results in association with the social label selected for the document,
• wherein each document is one of a word processing document, a spreadsheet, a workbook, a drawing, or a presentation document.

An enhanced search service comprising:

• a search engine that identifies a plurality of items in response to a search query;
• a social label engine that, for each item,
• determines one or more relationships between the item and (i) a first user associated with the search query and (ii) at least one second user who interacted with the item;
• compares the one or more relationships to a plurality of candidate social labels to identify candidate social labels specifying a relationship matching each of the one or more relationships, wherein each identified candidate social label specifies at least one relationship between the item and (i) the first user and (ii) at least one second user, and an action taken with respect to the document;
• scores each identified candidate social label based on a representative trait shared in common by each of the candidate social labels, the representative trait including one or more of a freshness of the social label, a popularity of the social label, or a strength of the relationship specified by the identified candidate social label;
• selects, from among the identified candidate social labels, a social label based at least in part on scoring of each identified candidate social label;
• and
• a service interface that receives the search query and replies to the search query with search results indicative of at least the plurality of items, each item being in association with the social label selected for the item,
• wherein each item is one of a word processing document, a spreadsheet, a workbook, a drawing, or a presentation document.