Abstract: A motion controlled handheld device includes a display having a viewable surface and operable to generate an image and a gesture database maintaining a plurality of gestures. Each gesture is defined by a motion of the device with respect to a first position of the device. The gestures comprise symbol gestures each corresponding to a character from a preexisting character set. The device includes an application database maintaining at least one application and a gesture mapping database comprising a gesture input map for the application. The gesture input map comprises mappings of the symbol gestures to corresponding inputs for the application. The device includes a motion detection module operable to detect motion of the handheld device within three dimensions and to identify components of the motion in relation to the viewable surface.

Abstract: A method of using a user model with salience includes providing content to a user through a user interface. The method also includes receiving physiological data corresponding to a physiological response of the user as the user interacts with the content. The method may also include determining a salience score for the content based at least in part on the physiological response of the user, and updating a user model with the salience score.

Abstract: According to an aspect of an embodiment, a system of using an extensible language to represent storage metadata includes a computer-readable storage medium and a processing device. The computer-readable storage medium may have stored thereon storage metadata. The processing device may be configured to write the storage metadata to the computer-readable storage medium in an extensible language format. The processing device may also be configured to manipulate the storage metadata in the extensible language format. The processing device may also be configured to transfer the storage metadata in the extensible language format.

Abstract: According to one embodiment of the present invention, a method for selecting metadata for sensor data streams may be provided. The method may include receiving a first sensor data stream associated with a user. The first data stream may be generated by one or more sensors co-located with the user. A plurality of tags that are each associated with one or more sensor value ranges may be accessed. A first tag may be selected from the plurality of tags according to a relationship between the first sensor data stream and the one or more sensor value ranges associated with the first tag. The method may further include facilitating reporting of the first tag.

Abstract: According to an aspect of an embodiment, a method of measuring physiological adaptability of a subject is described. The method may include receiving, from a first sensor, a first data signal indicating a first biological function of the subject. The method may also include receiving, from a second sensor, a second data signal indicating a second biological function of the subject. The method may also include calculating an adaptability of the subject based on the first data signal and the second data signal. The method may also include reporting the calculated adaptability.

Abstract: In one embodiment, modeling topics includes accessing a corpus comprising documents that include words. Words of a document are selected as keywords of the document. The documents are clustered according to the keywords to yield clusters, where each cluster corresponds to a topic. A statistical distribution is generated for a cluster from words of the documents of the cluster. A topic is modeled using the statistical distribution generated for the cluster corresponding to the topic.

Abstract: A method of determining stress includes receiving a data signal including multiple consecutive RR intervals of a subject. The method may also include calculating heart rate variability (HRV) data for the subject from the data signal. The method may also include calculating an RR integral average (RRIA) from the HRV data, the RRIA indicating a stress level of the subject.

Abstract: A method of operating an image-sensing device includes detecting a trigger. The method also includes, in response to detecting the trigger, changing an operating mode of the image-sensing device from a first operating mode having a first spatial resolution and a first temporal resolution to a second operating mode having a second spatial resolution and a second temporal resolution. The second spatial resolution may be lower than the first spatial resolution and the second temporal resolution may be higher than the first temporal resolution. The method may also include capturing video data in the second operating mode, the video data having the second spatial resolution and the second temporal resolution.

Abstract: In a method embodiment, a method for automatically editing data recorded during a videoconference includes accessing a plurality of video data streams. Each video data stream records a view of at least one of a plurality of human participants of the videoconference. The view recorded by each video data stream is different from the view recorded by each other video data stream. The method further includes determining, using one or more processors executing logic, that one of the plurality of video data streams recorded a view of a first one of the plurality of participants while the first one of the plurality of participants made a first statement. In addition the method includes determining, using one or more processors executing logic, that one of the plurality of video data streams recorded a view of a second one of the plurality of participants while the second one of the plurality of participants made a second statement after the first one of the plurality of participants made the first statement.

Abstract: A method of determining stress based on renal blood flow. The method includes receiving data indicating renal blood flow of a subject. The method also includes calculating a power spectrum of a signal derived from the data. The power spectrum indicates a stress level of the subject.

Abstract: According to one embodiment of the present invention, a method for identifying the occurrence of an event from sensor data streams may be provided. The method may include accessing a plurality of sensor data streams generated by a plurality of sensor sets. Each sensor set may comprise one or more sensors. A sensor data stream may be associated with a user. The user may be co-located with a sensor set that generates the sensor data stream. A relationship between two or more sensor data streams of the plurality of sensor data streams may be identified. The method may further include determining, according to the relationship, that the plurality of sensor data streams corresponds to an event. A notification of an occurrence of the event may be sent.

Abstract: A method of using salience to send a content item to a social network service is provided. The method includes providing a content item to a user through a user interface and collecting physiological data of the user as the user interacts with the content item. The method also includes determining a salience score of the content item based at least in part on the physiological data. In the event the salience score is greater than a salience threshold, the method includes sending the content item to a social network service.

Abstract: A method of switching content based on salience data may include providing a first time-based content item to a user through a user interface. The method may also include receiving physiological data from at least one physiological sensor as the user interacts with the first time-based content item. The method may also include determining a salience score based at least in part on the physiological data. The method may also include, in the event the salience score is below a threshold value, presenting a second time-based content item to the user through the user interface.

Abstract: A method of associating salience with content includes displaying a document having a plurality of content. The method also includes receiving eye tracking data corresponding to a plurality of viewing angles of an eye of a user over time as the user views at least a portion of the plurality of the content within the document on the display over time, and receiving physiological data corresponding to a physiological response of the user as the user views at least a portion of the plurality of the content within the document on the display over time. The method may also include associating at least a portion of the viewing angle data with a location of at least one of the plurality of content within the document, and associating the physiological response of the user with one or more of the plurality of content of the document using the viewing angle data.

Abstract: A method of using a user model with salience includes providing content to a user through a user interface. The method also includes receiving physiological data corresponding to a physiological response of the user as the user interacts with the content. The method may also include determining a salience score for the content based at least in part on the physiological response of the user, and updating a user model with the salience score.

Abstract: In one embodiment, a set of target search terms for a search is received. Candidate terms are selected, where a candidate term is selected to reduce an ontology space of the search. The candidate terms are sent to a computer to recommend the candidate terms as search terms. In another embodiment, a document stored in one or more tangible media is accessed. A set of target tags for the document is received. Terms are selected, where a term is selected to reduce an ontology space of the document. The terms are sent to a computer to recommend the terms as tags.

Abstract: A method of operating an image-sensing device includes detecting a trigger. The method also includes, in response to detecting the trigger, changing an operating mode of the image-sensing device from a first operating mode having a first spatial resolution and a first temporal resolution to a second operating mode having a second spatial resolution and a second temporal resolution. The second spatial resolution may be lower than the first spatial resolution and the second temporal resolution may be higher than the first temporal resolution. The method may also include capturing video data in the second operating mode, the video data having the second spatial resolution and the second temporal resolution.

Abstract: According to an aspect of an embodiment, a method of monitoring utilization of an adjustable workstation includes automatically tracking a state of the adjustable workstation over time. The method further includes storing the state of the adjustable workstation over time across multiple selected arrangements of the adjustable workstation.

Abstract: According to an aspect of an embodiment, a method of measuring efficacy of an ergonomic intervention includes tracking a utilization of the ergonomic intervention over time and storing the utilization of the ergonomic intervention over time. The method further includes tracking a state of a user of the ergonomic intervention over time and storing the state of the user over time. The method further includes calculating an efficacy measurement based at least in part on the utilization of the ergonomic intervention over time and the state of the user over time.

Abstract: A method of determining stress includes receiving a data signal including multiple consecutive RR intervals of a subject. The method may also include calculating heart rate variability (HRV) data for the subject from the data signal. The method may also include calculating an RR integral average (RRIA) from the HRV data, the RRIA indicating a stress level of the subject.