Contextual information for a notification

A system comprising:

• a data processing apparatus;
• and
• a non-transitory computer readable storage medium in data communication with the data processing apparatus and storing instructions executable by the data processing apparatus and upon such execution cause the data processing apparatus to perform operations comprising:
• receiving, from a user device in response to the user device obtaining a notification in response to an occurrence of a trigger event, a query-independent request for contextual information relevant to the notification;
• identifying multiple search items from content in the notification;
• determining a relevance score for each of the multiple search items;
• selecting one or more of the multiple search items based on the relevance scores;
• and
• providing, to the user device for each of the selected one or more multiple search items, a respective user interface element for display with the notification, wherein each user interface element includes contextual information regarding the respective search item.

A method implemented in a data processing apparatus, the method comprising:

• obtaining, in response to an occurrence of a trigger event and by a user device, a notification for display on the user device, the notification regarding a search item;
• in response to obtaining the notification for display on the user device, providing, by the user device to a contextual information server, a query-independent request for contextual information relevant to the notification;
• receiving a user interface element that includes contextual information regarding the search item;
• and
• displaying the notification and the user interface element simultaneously on the user device.