Zignal Labs, Inc.

Ancestry.com Operations Inc.

Christopher Miller

Michael Todd Kramer

Jonathan R Dodson

Alex Smith

Andras Benke

Fabien Vives

Adam Beaugh

Felix Medina Wong

Jeffrey Fenchel

Loretta Jimenez

Melinda Chu

Azadeh Moghtaderi

Peng Jiang

Yingrui Yang

Ali Zafarani

A system and method for detecting interactive network of automated accounts, the interactive network of automated accounts comprising a plurality of automated accounts posting to a social media channel, the system comprising: an ingestion engine operated by a computational device for connecting to the social media channel and receiving a plurality of social media postings from a plurality of posting entities; a bot model operated by a computational device for determining whether at least one posting entity is a suspected bot; and a computer network for communication between said computational devices.

System and method for social network analysis

Described herein are systems, methods, and other techniques for evaluating a classifier model. The classifier model may be provided with a set of elements to be classified into N classes. Classification results may be obtained from the classifier model. N class-specific precisions and N class-specific recalls for the N classes may be computed based on the classification results. N class-specific precision weights and N class-specific recall weights corresponding to the N classes may be obtained. A weighted f-measure may be computed by weighting the N class-specific precisions with the N class-specific precision weights and weighting the N class-specific recalls with the N class-specific recall weights.

Multiclass classification with diversified precision and recall weightings

A system and method for performing non-graphical algorithm calculations on a GPU (graphics processing unit), by adapting the non-graphical algorithm to be executed according to the texture mapping calculation functions of the GPU, for example within the Web Browser environment. The non-graphical algorithm preferably relates to comparison of a plurality of data points. Each data point may relate to any unit of information, including but not limited to a document (for a document comparison algorithm), information about movements of a unit (for a collision detection algorithm), determination of interactions between two more nodes on a graph, such as for example and without limitation, determining such interactions in a social media channel.

System and method for executing non-graphical algorithms on a GPU (graphics processing unit)

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San Francisco, CA, United States of America

Christopher Miller