CONTEXTUAL RECOMMENDATION FOR AN ELECTRONIC PRESENTATION

1 . A computer implemented method comprising:

detecting an editing session with respect to an electronic presentation, the editing session commenced at a computer system associated with a company identification, the company identification representing a company, the electronic presentation associated with a set of skills;

maintaining an inverted index of skill to person mappings associated with the company identification, an entry in the inverted index of skill to person mappings comprising a skill mapped to a member profile representing, in the on-line social network system, a person professionally engaged with the company, the skill corresponding to an entry in a skills database maintained in the on-line social network system;

accessing a corporate graph associated with the company identification, nodes in the corporate graph representing persons professionally engaged with the company;

using at least one processor, generating a recommended set of professionals, each item in the recommended set of professionals comprising a reference to a person represented by a node in the corporate graph and associated with a skill from the inverted index of skill to person mappings; and

causing presentation, on a display device, of a reference to an item from the recommended set of professionals.

2 . The method of claim 1 , wherein the recommended set of professionals is a subset of a candidate set of professionals, the method comprising:

generating respective relevance values for items in the candidate set of professionals using respective proximity values, a proximity value for an item in the candidate set of professionals indicating a distance between a node in the corporate graph representing a professional represented by the item and a node in the corporate graph representing the user; and

selecting the recommended set of professionals from the candidate set of professionals based on the respective relevance values.

3 . The method of claim 2 , wherein the generating of a relevance value from the respective relevance values for an item in the candidate set of professionals comprises using a significance value associated with a pair comprising a member profile identification from the item and a skill from the item.

4 . The method of claim 1 , comprising determining that the editing session is associated with a user represented by a user member profile in an on-line social network system, the user member profile including a set of user skills, wherein the recommended set of professionals is personalized based on the set of user skills.

5 . The method of claim 4 , wherein the generating of the recommended set of professionals comprises:

generating a candidate set of skills that includes those entries from the set of skills that are omitted from the set of user skills; and

interrogating the inverted index of skill to person mappings using the candidate set of skills to retrieve items to be included in the recommended set of professionals.

6 . The method of claim 4 , wherein each skill from the set of user skills is assigned a respective significance score, the generating of the recommended set of professionals comprises:

generating a personalized importance score for each skill in the set of skills using the respective significance scores;

generating a preliminary set of professionals by interrogating he inverted index of employees skills to retrieve items that include a skill from the set of skills;

generating respective relevance values for items in the preliminary set of professionals using the respective significance scores; and

based on the respective relevance values, selecting items from the preliminary set of professionals to be included in the recommended set of professionals.

7 . The method of claim 4 , wherein the generating of the recommended set of professionals comprises:

generating a user set of professionals by interrogating the inverted index with a set of user skills to retrieve items that include a skill from the set of skills, wherein the recommended set of professionals includes only items that are not present in the user set of professionals.

8 . The method of claim 1 , wherein the set of skills is associated with a section from a plurality of sections in the electronic presentation.

9 . The method of claim 1 , wherein the set of skills is associated with the entire electronic presentation.

10 . The method of claim 1 , comprising generating additional user interface, the additional user interface comprising an actionable control associated with the reference to activate a preview of an associated member profile in the on-line social network system.

11 . A computer-implemented system comprising:

a session detector, implemented using at least one processor, to detect an editing session with respect to an electronic presentation, the editing session commenced at a computer system associated with a company identification, the company identification representing a company, the electronic presentation associated with a set of skills;

an inverted index of skill to person mappings, implemented using at least one processor, associated with the company identification, an entry in the inverted index of skill to person mappings comprising a skill mapped to a member profile representing, in the on-line social network system, a person professionally engaged with the company, the skill corresponding to an entry in a skills database maintained in the on-line social network system;

a graph access module, implemented using at least one processor, to access a corporate graph associated with the company identification, nodes in the corporate graph representing persons professionally engaged with the company;

a recommendation generator, implemented using at least one processor, to generate a recommended set of professionals, each item in the recommended set of professionals comprising a reference to a person represented by a node in the corporate graph and associated with a skill from the inverted index of skill to person mappings; and

a presentation generator, implemented using at least one processor, to cause presentation, on a display device, of a reference to an item from the recommended set of professionals.

12 . The system of claim 11 , wherein the recommended set of professionals is a subset of a candidate set of professionals, the recommendation generator is to:

generate respective relevance values for items in the candidate set of professionals using respective proximity values, a proximity value for an item in the candidate set of professionals indicating a distance between a node in the corporate graph representing a professional represented by the item and a node in the corporate graph representing the user; and

select the recommended set of professionals from the candidate set of professionals based on the respective relevance values.

13 . The system of claim 12 , wherein the recommendation generator is to generate a relevance value from the respective relevance values for an item in the candidate set of professionals using a significance value associated with a pair comprising a member profile identification from the item and a skill from the item.

14 . The system of claim 11 , wherein the recommendation generator is to determine that the editing session is associated with a user represented by a user member profile in an on-line social network system, the user member profile including a set of user skills, wherein the recommended set of professionals is personalized based on the set of user skills.

15 . The system of claim 14 , wherein the recommendation generator is to:

generate a candidate set of skills that includes those entries from the set of skills that are omitted from the set of user skills; and

interrogate the inverted index of skill to person mappings using the candidate set of skills to retrieve items to be included in the recommended set of professionals.

16 . The system of claim 14 , wherein each skill from the set of user skills is assigned a respective significance score, the recommendation generator is to:

generate a personalized importance score for each skill in the set of skills using the respective significance scores;

generate a preliminary set of professionals by interrogating the inverted index of employees skills to retrieve items that include a skill from the set of skills;

generate respective relevance values for items in the preliminary set of professionals using the respective significance scores; and

based on the respective relevance values, select items from the preliminary set of professionals to be included in the recommended set of professionals.

17 . The system of claim 14 , wherein the recommendation generator is to generate a user set of professionals by interrogating the inverted index with a set of user skills to retrieve items that include a skill from the set of skills, the recommended set of professionals includes only items that are not present in the user set of professionals.

18 . The system of claim 11 , wherein the set of skills is associated with a section from a plurality of sections in the electronic presentation.

19 . The system of claim 11 , wherein the set of skills is associated with the entire electronic presentation.

20 . A machine-readable non-transitory storage medium having instruction data executable by a machine to cause the machine to perform operations comprising:

detecting an editing session with respect to an electronic presentation, the editing session commenced at a computer system associated with a company identification, the company identification representing a company, the electronic presentation associated with a set of skills;

maintaining an inverted index of skill to person mappings associated with the company identification, an entry in the inverted index of skill to person mappings comprising a skill mapped to a member profile representing, in the on-line social network system, a person professionally engaged with the company, the skill corresponding to an entry in a skills database maintained in the on-line social network system;

accessing a corporate graph associated with the company identification, nodes in the corporate graph representing persons professionally engaged with the company;

generating a recommended set of professionals, each item in the recommended set of professionals comprising a reference to a person represented by a node in the corporate graph and associated with a skill from the inverted index of skill to person mappings; and

causing presentation, on a display device, of a reference to an item from the recommended set of professionals.