Guiver
John Guiver, Saffron Walden GB
Patent application number | Description | Published |
---|---|---|
20110314039 | Media Item Recommendation - Media item recommendation is described. In one example, a statistical model of media consumption is applied to media session consumption data from a community of users to infer parameters of the model. The model comprises a first probability distribution for each user defining a likelihood of the user having a latent characteristic for a session, and a second probability distribution for each latent characteristic defining a likelihood of a user selecting a media item given the latent characteristic. In another example, the inferred parameters are provided to a recommendation engine arranged to recommend media items. The recommendation engine uses the model with inferred parameters and data describing media items newly consumed by a user to infer a current latent characteristic for a current session of the user, and uses them to generate recommended media items for the user in the current session based on the current latent characteristic. | 12-22-2011 |
John Guiver, Cambridge GB
Patent application number | Description | Published |
---|---|---|
20150134304 | HIERARCHICAL STATISTICAL MODEL FOR BEHAVIOR PREDICTION AND CLASSIFICATION - Technologies are generally provided far a hierarchical, feature teed statistical model that cm be used for personalized classification or predictions within a community of users. Personalization refers to learning about the habits and characteristics of individual users and adapting user experiences based on that learning. The model may be used in a communication application to predict user actions on incoming email messages and to help users triage email by making personalized suggestions based on the model predictions. A community of users associated together with the communication application may be incorporated together into a single model to enable for continuous fine-grain interaction between intelligence learned from the community of users as a whole and that learned from individual users. The single model may allow a seamless progression between predictions for a completely new user based on community observations and highly personalized predictions for a long-term user based on individual observations. | 05-14-2015 |
20150142717 | PROVIDING REASONS FOR CLASSIFICATION PREDICTIONS AND SUGGESTIONS - Technologies are generally provided for a prediction system to provide reasons corresponding to suggested classifications. The prediction system may predict classifications such as user actions on incoming messages to help users triage email, and may provide one or more reasons for classifications to a user. The prediction system may identify features of the message in order to make predictions about user interactions and to suggest an action to the user, where features may include characteristics of the email message such as sender identity. Presented reasons for a suggested action may convey observed features of the message that significantly contributed to the prediction decision, and were relatively unexpected compared to a typical item for a particular user. | 05-21-2015 |
John P. Guiver, Saffron Walden GB
Patent application number | Description | Published |
---|---|---|
20100057222 | COMPUTER METHOD AND APPARATUS FOR CONSTRAINING A NON-LINEAR APPROXIMATOR OF AN EMPIRICAL PROCESS - A constrained non-linear approximator for empirical process control is disclosed. The approximator constrains the behavior of the derivative of a subject empirical model without adversely affecting the ability of the model to represent generic non-linear relationships. There are three stages to developing the constrained non-linear approximator. The first stage is the specification of the general shape of the gain trajectory or base non-linear function which is specified graphically, algebraically or generically and is used as the basis for transfer functions used in the second stage. The second stage of the invention is the interconnection of the transfer functions to allow non-linear approximation. The final stage of the invention is the constrained optimization of the model coefficients such that the general shape of the input/output mappings (and their corresponding derivatives) are conserved. | 03-04-2010 |
20100076949 | Information Retrieval System - An information retrieval system is described for retrieving a list of documents such as web pages or other items from a document index in response to a user query. In an embodiment a prediction engine is used to predict both explicit relevance information such as judgment labels and implicit relevance information such as click data. In an embodiment the predicted relevance information is applied to a stored utility function that describes user satisfaction with a search session. This produces utility scores for proposed lists of documents. Using the utility scores one of the lists of documents is selected. In this way different sources of relevance information are combined into a single information retrieval system in a principled and effective manner which gives improved performance. | 03-25-2010 |
John Philip Guiver, Saffron Walden GB
Patent application number | Description | Published |
---|---|---|
20150213360 | CROWDSOURCING SYSTEM WITH COMMUNITY LEARNING - Crowdsourcing systems with machine learning are described, for example, to aggregate answers to a crowdsourced task in a manner achieving good accuracy even where observed data about past behavior of crowd members is sparse. In various examples a machine learning system jointly learns variables describing characteristics of both individual crowd workers and communities of the workers. In various examples, the machine learning system learns aggregated labels. In examples learnt variables describing characteristics of an individual crowd worker are related, by addition of noise, to learnt variables describing characteristics of a community of which the individual is a member. In examples the crowdsourcing system uses the learnt variables describing characteristics of individual workers and of communities of workers for any one or more of: active learning, targeted training of workers, targeted issuance of tasks, calculating and issuing rewards. | 07-30-2015 |
Malcolm Guiver, Wiltshire GB
Patent application number | Description | Published |
---|---|---|
20100143885 | DETECTION OF HUMAN PAPILLOMAVIRUS - There is provided an in vitro method of detecting human papillomavirus nucleic acid in a sample, comprising: (a) contacting said sample with forward and reverse oligonucleotide primers, wherein said primers bind to target sites in the human papillomavirus L1 gene, or the complement thereof, under conditions suitable to promote amplification of a portion of said human papillomavirus L1 gene or complement, thereby generating an amplicon; (b) contacting said amplicon with a probe, wherein the probe binds to a target site within said amplicon; and (c) detecting binding of said probe to said amplicon; wherein said forward primer binds to a target site having the sequence SEQ ID NO: 1; and wherein said reverse primer binds to a target site having the sequence SEQ ID NO: 2. | 06-10-2010 |
Michael D. Guiver, Ottawa CA
Patent application number | Description | Published |
---|---|---|
20090203806 | POLY(ARYL ETHER) WITH PENDENT SULFONIC ACID PHENYL GROUPS - A sulfonated poly(aryl ether) (SPAE) having a poly(aryl ether) (PAE) main chain and a sulfonated phenyl group pendent from the main chain are useful in proton exchange membranes (PEMs), particularly for fuel cells. The pendent phenyl group can provide an easily sulfonable site that may be sulfonated under mild conditions, providing the ability to precisely control the sulfonic acid content of the SPAE. | 08-13-2009 |
20110098371 | Proton-Conducting Polymeric Poly(Arylene Ether)s with Pendant Phenyl Sulfonic Acids - Disclosed are sulfonated polymers of formula (I) or a salt thereof: wherein X is (a) or (b), R is hydrogen or an organic moiety, n is an integer from 10 to 10,000, p is 1 or 2, and m is 0 or 1 for a particular monomer unit such that the polymer has a degree of sulfonation of 0.50 or greater. Such polymers are useful in proton exchange membranes (PEMs) having high ion exchange capacity with higher proton conductivity than Nafion™, while having lower methanol permeability and lower water uptake than previously disclosed polymers. | 04-28-2011 |
20110190409 | LADDER POLYMERS WITH INSTRINSIC MICROPOROSITY AND PROCESS FOR PRODUCTION THEREOF - A polymer of formula (I): where: n is an integer from 10 to 5,000; m is an integer from 10 to 5,000; Ar1 and Ar3 are the same or different and are residues derived from a tetra-hydroxy aromatic monomer, the tetra-hydroxy aromatic monomer being wherein R is the same or different and is H or a C | 08-04-2011 |
20120041084 | Carboxylated Polymers of Intrinsic Microporosity (PIMs) with Tunable Gas Transport Properties - A film of a carboxylated polymer of formula (I): wherein the sum of x, y and z is an integer from 10 to 10,000 and degree of hydrolysis is 0.05 or greater provides gas separation materials in which the degree of hydrolysis may be used to tune the selectivity of the gases to an optimal required range. Such films may be prepared by casting a film of a polymer of formula (II): wherein n is an integer from 10 to 10,000, and hydrolyzing all or a portion of the —CN groups to form —COOH groups. | 02-16-2012 |
20120264589 | POLYMERS OF INTRINSIC MICROPOROSITY CONTAINING TETRAZOLE GROUPS - The invention provides a tetrazole-containing polymer of intrinsic microporosity comprising (10) or more subunits, wherein one or more of the subunits comprise one or more tetrazolyl moieties. In one embodiment, a polymer of intrinsic microporosity (PIM-1) was modified using a “click chemistry” [2+3] cycloaddition reaction with sodium azide and zinc chloride to yield new PIMs containing tetrazole units. Polymers of the present invention are useful as high-performance materials for membrane-based gas separation, materials for ion exchange resins, materials for chelating resins, materials for superabsorbents, materials for ion conductive matrixes, materials for catalyst supports or materials for nanoparticle stabilizers. | 10-18-2012 |
20140243441 | LADDER POLYMERS WITH INTRINSIC MICROPOROSITY AND PROCESS FOR PRODUCTION THEREOF - A polymer of formula (I): | 08-28-2014 |