Methods and systems for tracking contexts

A device comprising:

• an image sensor;
• a non-transitory memory;
• and
• one or more processors to:
• capture, using the image sensor, an image of an environment at a particular time;
• detect a context based at least in part on the image of the environment;
• in accordance with a determination that the context is included within a predefined set of contexts, store, in a database, an entry including data indicating detection of the context in association with data indicating the particular time;
• receive a query including an indication of the context;
• determine the particular time based on the indication of the context and the entry;
• and
• provide a response to the query based on the data indicating the particular time.

A non-transitory computer-readable medium having instructions encoded thereon which, when executed by a device including a processor and an image sensor, causes the device to:

• capture, using the image sensor, an image of an environment at a particular time;
• detect a context based at least in part on the image of the environment;
• in accordance with a determination that the context is included within a predefined set of contexts, store, in a database, an entry including data indicating detection of the context in association with data indicating the particular time;
• receive a query including an indication of the context;
• determine the particular time based on the indication of the context and the entry;
• and
• provide a response to the query based on the data indicating the particular time.