Patent application number | Description | Published |
20090177651 | INFORMATION PROCESSING DEVICE AND METHOD, PROGRAM, AND RECORDING MEDIUM - An information processing device includes: a user information obtaining unit configured to obtain information relating to data of content that a user has used; a meta information obtaining unit configured to obtain content meta information corresponding to content that the user has used; a first vector generating unit configured to generate a first user preference vector with each of the obtained content meta information as elements thereof; a second vector generating unit configured to generate a second user preference vector wherein the generated first user preference vector is analyzed and the number of elements of the first user preference vector is compressed; and a user identifying unit configured to identify a user corresponding to a second user preference vector having a high similarity to a second user preference vector determined beforehand from multiple second user preference vectors. | 07-09-2009 |
20100191682 | Learning Apparatus, Learning Method, Information Processing Apparatus, Data Selection Method, Data Accumulation Method, Data Conversion Method and Program - There is provided a learning apparatus including: a first data acquisition unit which acquires first user preference data belonging to a first data space; a second data acquisition unit which acquires second user preference data of a user in common with the first user preference data, the second user preference data belonging to a second data space which is different from the first data space; a compression unit which generates first compressed user preference data having less data item number from the first user preference data by utilizing a first set of parameters; and a learning unit which learns a second set of parameters utilized for generating second compressed user preference data having the same data item number as that of the first compressed user preference data from the second user preference data so that difference between the first compressed user preference data and the second compressed user preference data is to be small across a plurality of users. | 07-29-2010 |
20100235308 | TEXT ANALYSIS DEVICE AND METHOD AND PROGRAM - A text analysis device includes a storage unit configured to store opinions of users who participate in a discussion about a predetermined theme as text data and author information for specifying authors of the text data, a feature quantity data generation unit configured to generate feature quantity data of the text data stored in the storage unit, an observation time-series signal generation unit configured to generate observation time-series signals based on information obtained by performing a predetermined process with respect to the feature quantity data, a change point detection unit configured to detect a change point of the discussion based on the observation time-series signals, and an influence specifying unit configured to specify an opinion having influence on an opinion corresponding to the specified text data out of opinions of the discussion based on the detected change point and the author information. | 09-16-2010 |
20110179034 | Information processor, method of processing information, and program - An information processor carrying out statistical natural language processing for a document, the information processor includes a characteristic amount extraction unit configured to detect context information including a proper noun pair from the document and extract a characteristic amount of the detected context information; a characteristic amount analysis unit configured to, by analyzing the characteristic amount of the extracted context information using a probability model in which a document topic meaning an entire topic of the document and a context topic meaning a local topic of the document are considered, estimate a potential variable and a context topic ratio in the probability model; and a clustering unit configured to cluster the proper noun pair included in the context information based on the context topic ratio estimated regarding the characteristic amount of the respective context information. | 07-21-2011 |
20110264443 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM - Disclosed herein is an information processing device including: a data acquirer configured to acquire a sentence collection having a plurality of sentences and a plurality of phrases included in the sentence collection; a phrase feature decider configured to decide phrase features each representing a characteristic of a respective one of the phrases acquired by the data acquirer; a collection feature decider configured to decide a collection feature representing a characteristic of the sentence collection; and a compressor configured to generate compressed phrase features by using the phrase features and the collection feature, the compressed phrase features having a dimension lower than a dimension of the phrase features and each representing a characteristic of the respective one of the phrases acquired by the data acquirer. | 10-27-2011 |
20120029908 | INFORMATION PROCESSING DEVICE, RELATED SENTENCE PROVIDING METHOD, AND PROGRAM - There is provided an information processing device including an information providing unit that provides related information related to main information, a related sentence generation unit that generates a sentence indicating a relation between the main information and the related information and a related sentence providing unit that provides the sentence generated by the related sentence generation unit. | 02-02-2012 |
20120246176 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing apparatus includes: a document analyzing unit that extracts phrases including a pair of entities, to which a relevance label is granted, from document data; and a label granting unit that grants the relevance label. The label granting unit acquires vocabulary syntax patterns included in the phrases including the pair of entities, acquires the appearing number of times the vocabulary syntax pattern appears in the document data from the document data, counts the number of pairs of entities, sets a probability model created from a probability density distribution, a parameter Z indicating validity of the granting of the relevance label, and a parameter a indicating a probability of rightly granting the relevance label, calculates the parameters Z and a for which a likelihood is maximum in the probability model, evaluates the validity of the granting of the relevance label, and grants the relevance label on the evaluation result. | 09-27-2012 |
20120316865 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing apparatus performs topic analysis on one or more collected documents to calculate a probability indicating the degree of fitness of each sentence constituting the collected document for each item of a local topic, performs linguistic analysis on the collected document to detect a unique expression pattern in each item of the local topic, sets topic usefulness for each sentence constituting the collected document on the basis of evaluation of the sentence by an evaluator, sets a total evaluation value with respect to each item of the local topic on the basis of the topic analysis result and the topic usefulness, selects an item of the local topic on the basis of the total evaluation values, and extracts an appropriate sentence for a unique expression pattern in the selected item of the local topic from the collected document as a profound text candidate. | 12-13-2012 |
20140040373 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING SYSTEM - An information processing device includes a collection section that collects log data of a plurality of users from a plurality of services, a publishing level setting section that is possible to set a publishing level of the collected log data to each service for each user, and a providing control section that controls provision of the collected log data to the plurality of services based on the publishing level that is set. | 02-06-2014 |