Abstract: A system may include: a server comprising a rule cache; a user device communicably coupled to the server; a computer-readable medium comprising instructions that cause the server to: monitor a plurality of third-party data sources; obtain, via a queueing service, a plurality of pieces of content from the plurality of third-party data sources; for each piece of content, fetch a rule ID from a list of rule IDs on the user device, wherein the rule ID is fetched based on the content and a pre-selected setting on the user device; use the rule ID to fetch a rule from the rule cache, the rule comprising a script, the script comprising executable code; execute the script on the piece of content to determine if the piece of content matches the rule; and in response to determining that the piece of content matches the rule, send an alert to the user device.

Abstract: A system may include: a server comprising a rule cache; a user device communicably coupled to the server; a computer-readable medium comprising instructions that cause the server to: monitor a plurality of third-party data sources; obtain, via a queueing service, a plurality of pieces of content from the plurality of third-party data sources; for each piece of content, fetch a rule ID from a list of rule IDs on the user device, wherein the rule ID is fetched based on the content and a pre-selected setting on the user device; use the rule ID to fetch a rule from the rule cache, the rule comprising a script, the script comprising executable code; execute the script on the piece of content to determine if the piece of content matches the rule; and in response to determining that the piece of content matches the rule, send an alert to the user device.

Abstract: A system may include: a server comprising a rule cache; a user device communicably coupled to the server; a computer-readable medium comprising instructions that cause the server to: monitor a plurality of third-party data sources; obtain, via a queueing service, a plurality of pieces of content from the plurality of third-party data sources; for each piece of content, fetch a rule ID from a list of rule IDs on the user device, wherein the rule ID is fetched based on the content and a pre-selected setting on the user device; use the rule ID to fetch a rule from the rule cache, the rule comprising a script, the script comprising executable code; execute the script on the piece of content to determine if the piece of content matches the rule; and in response to determining that the piece of content matches the rule, send an alert to the user device.

Abstract: A method may include generating a first scaled variant pyramid associated with a first image and a second scaled variant pyramid associated with a second image; determining a pair of best-matching variants; detecting a first plurality of keypoints in the first variant and a second plurality of keypoints in the second variant; generating a descriptor for each keypoint of the first plurality of keypoints to create a first plurality of keypoint descriptors; generating a descriptor for each keypoint of the second plurality of keypoints to create a second plurality of keypoint descriptors; for each keypoint of the first plurality of keypoints, identifying a keypoint match from the second plurality of keypoints; determining that a number of keypoint matches is above a threshold number; and in response to determining that the number of keypoint matches is above the threshold number, determining that the first image matches the second image.

Abstract: A system may include: a server comprising a rule cache; a user device communicably coupled to the server; a computer-readable medium comprising instructions that cause the server to: monitor a plurality of third-party data sources; obtain, via a queueing service, a plurality of pieces of content from the plurality of third-party data sources; for each piece of content, fetch a rule ID from a list of rule IDs on the user device, wherein the rule ID is fetched based on the content and a pre-selected setting on the user device; use the rule ID to fetch a rule from the rule cache, the rule comprising a script, the script comprising executable code; execute the script on the piece of content to determine if the piece of content matches the rule; and in response to determining that the piece of content matches the rule, send an alert to the user device.

Abstract: A method may include generating a first scaled variant pyramid associated with a first image and a second scaled variant pyramid associated with a second image; determining a pair of best-matching variants; detecting a first plurality of keypoints in the first variant and a second plurality of keypoints in the second variant; generating a descriptor for each keypoint of the first plurality of keypoints to create a first plurality of keypoint descriptors; generating a descriptor for each keypoint of the second plurality of keypoints to create a second plurality of keypoint descriptors; for each keypoint of the first plurality of keypoints, identifying a keypoint match from the second plurality of keypoints; determining that a number of keypoint matches is above a threshold number; and in response to determining that the number of keypoint matches is above the threshold number, determining that the first image matches the second image.