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Marc Teixidor
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Towards trust-aware recommender systems
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Palau Congressos Ccai
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Marc Teixidor
The users are present in multiple social networks/virtual communities and each one can be considered as a source of information about this user. In face to this question it is important a mechanism to integrate the user profiles. Through the integration of user profiles it is possible identifier more accurately their interests analyzing other data sources that they are present, possible reducing the cold-start problem. In this context, we present a semantic approach to help integrate data from multiple sources, for the construction and maintenance of user profiles that will be used to improve the quality of a recommender system. To integrate data from multiple sources, we defined a heuristic that quantifies the importance of each data source for a given user. To validate our approach, we perform a case study, where the solution was coupled into a recommender system of papers focused in Software Engineering domain. The user profiles were built extracting their information from the Brazilian Curriculum Vitae database named CV-Lattes, an academic platform, and Linkedin, a business network. We compared the quality of the recommendation based on the profiles integrated and non-integrated. The results show the superior quality of the recommendation based on integrated profile.
Improving a Recommender System Through Integration of User Profiles: a Semant...
Improving a Recommender System Through Integration of User Profiles: a Semant...
Jonathas Magalhães
The derivative of a composition of functions is the product of the derivatives of those functions. This rule is important because compositions are so powerful.
Lesson 10: The Chain Rule (handout)
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Matthew Leingang
Lesson 8: Basic Differentiation Rules
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Matthew Leingang
Slides from a talk given at the Joint Mathematics Meetings in San Diego, CA on Jan
Electronic Grading of Paper Assessments
Electronic Grading of Paper Assessments
Matthew Leingang
Auto-multiple-choice (AMC) is an open-source optical mark recognition software package built with Perl, LaTeX, XML, and sqlite. I use it for all my in-class quizzes and exams. Unique papers are created for each student, fixed-response items are scored automatically, and free-response problems, after manual scoring, have marks recorded in the same process. In the first part of the talk I will discuss AMC’s many features and why I feel it’s ideal for a mathematics course. My contributions to the AMC workflow include some scripts designed to automate the process of returning scored papers back to students electronically. AMC provides an email gateway, but I have written programs to return graded papers via the DAV protocol to student’s dropboxes on our (Sakai) learning management systems. I will also show how graded papers can be archived, with appropriate metadata tags, into an Evernote notebook.
Streamlining assessment, feedback, and archival with auto-multiple-choice
Streamlining assessment, feedback, and archival with auto-multiple-choice
Matthew Leingang
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The Movisphere Project
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Alberto Lumbreras
Towards trust-aware recommender systems
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Alberto Lumbreras
Palau Congressos Ccai
Palau Congressos Ccai
Marc Teixidor
The users are present in multiple social networks/virtual communities and each one can be considered as a source of information about this user. In face to this question it is important a mechanism to integrate the user profiles. Through the integration of user profiles it is possible identifier more accurately their interests analyzing other data sources that they are present, possible reducing the cold-start problem. In this context, we present a semantic approach to help integrate data from multiple sources, for the construction and maintenance of user profiles that will be used to improve the quality of a recommender system. To integrate data from multiple sources, we defined a heuristic that quantifies the importance of each data source for a given user. To validate our approach, we perform a case study, where the solution was coupled into a recommender system of papers focused in Software Engineering domain. The user profiles were built extracting their information from the Brazilian Curriculum Vitae database named CV-Lattes, an academic platform, and Linkedin, a business network. We compared the quality of the recommendation based on the profiles integrated and non-integrated. The results show the superior quality of the recommendation based on integrated profile.
Improving a Recommender System Through Integration of User Profiles: a Semant...
Improving a Recommender System Through Integration of User Profiles: a Semant...
Jonathas Magalhães
The derivative of a composition of functions is the product of the derivatives of those functions. This rule is important because compositions are so powerful.
Lesson 10: The Chain Rule (handout)
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Matthew Leingang
Lesson 8: Basic Differentiation Rules
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Matthew Leingang
Slides from a talk given at the Joint Mathematics Meetings in San Diego, CA on Jan
Electronic Grading of Paper Assessments
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Matthew Leingang
Auto-multiple-choice (AMC) is an open-source optical mark recognition software package built with Perl, LaTeX, XML, and sqlite. I use it for all my in-class quizzes and exams. Unique papers are created for each student, fixed-response items are scored automatically, and free-response problems, after manual scoring, have marks recorded in the same process. In the first part of the talk I will discuss AMC’s many features and why I feel it’s ideal for a mathematics course. My contributions to the AMC workflow include some scripts designed to automate the process of returning scored papers back to students electronically. AMC provides an email gateway, but I have written programs to return graded papers via the DAV protocol to student’s dropboxes on our (Sakai) learning management systems. I will also show how graded papers can be archived, with appropriate metadata tags, into an Evernote notebook.
Streamlining assessment, feedback, and archival with auto-multiple-choice
Streamlining assessment, feedback, and archival with auto-multiple-choice
Matthew Leingang
Les TIC en educació als programes electorals
Les TIC en educació als programes electorals
Marc Teixidor
Les ordenances fiscals per l'nay 2008 van ser aprovades el 5 de novembre sense cap vot en contra i només 2 abstencions (ICV). Aquesta presentació és un abstracta de les ordenances que s'aplicaran el 2008.
Ordenances
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Els pressupostos corresponents al 2008 van ser aprovats el 5 de novembre amb els vots a favor de l'equip de govern i Escalencs Independents. Aquesta és la presentació que se'n va fer al plenari del consistori escalenc.
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Els pressupostos corresponents al 2008 van ser aprovats el 5 de novembre amb els vots a favor de l'equip de govern i Escalencs Independents. Aquesta és la presentació que se'n va fer al plenari del consistori escalenc.
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Les TIC en educació als programes electorals
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