Selection of housing, one of the necessities of human life, has a great influence on life for a long time. However, since it requires a wide range of information gathering and consideration before decision, state-of-the-art recommendation algorithms such as collaborative filtering do not work well. In this presentation, after reviewing issues specific to the real estate field, I cited examples of "application of crowdsourcing to social media (Twitter timelines)" and "application of deep learning to property images" as an effort by our research group. Finally I discuss what kind of AI technology is applicable in the real estate field.
Selection of housing, one of the necessities of human life, has a great influence on life for a long time. However, since it requires a wide range of information gathering and consideration before decision, state-of-the-art recommendation algorithms such as collaborative filtering do not work well. In this presentation, after reviewing issues specific to the real estate field, I cited examples of "application of crowdsourcing to social media (Twitter timelines)" and "application of deep learning to property images" as an effort by our research group. Finally I discuss what kind of AI technology is applicable in the real estate field.
This study was presented in the 20th International Conference on Web Information Systems Engineering (WISE 2019), 19-22 January 2020.
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Fumiaki Saito, Yoshiyuki Shoji and Yusuke YamamotoHighlighting Weasel Sentences for Promoting Critical Information Seeking on the WebProceedings of the 20th International Conference on Web Information Systems Engineering (WISE 2019), pp.424-440, Hong Kong, China, November 2019.
This document discusses link analysis and PageRank, an algorithm for identifying important nodes in large network graphs. It begins with an overview of graph data structures and the goal of identifying influential nodes. It then introduces PageRank, explaining its basic assumptions and showing examples of how it calculates node importance scores. The document discusses problems with the initial PageRank approach and how it was improved with the Complete PageRank algorithm. Finally, it briefly introduces Topic-sensitive PageRank, which aims to identify important nodes related to specific topics.
Matrix factorization techniques can be used to address some of the limitations of traditional collaborative filtering approaches for recommender systems. Matrix factorization decomposes the user-item rating matrix into the product of two lower-dimensional matrices, one representing latent factors for users and the other for items. This reduced dimensionality addresses data sparsity and scalability issues. Specifically, singular value decomposition is often used to perform this matrix factorization, which can approximate the original rating matrix while ignoring less important singular values and factor vectors. The decomposed matrices can then be multiplied to predict unknown user ratings.
This document discusses item-based collaborative filtering for recommender systems. It describes how item-based collaborative filtering works by predicting a target user's rating for an item based on the ratings of similar items. It highlights advantages over user-based filtering like lower computational cost and more stable similarity computations. Key aspects covered include using cosine similarity to calculate item similarities, adjusting for individual rating biases, selecting the top K similar items, and predicting ratings based on similar items' ratings.
This document discusses recommender systems and collaborative filtering. It introduces user-based collaborative filtering, which predicts a user's rating for an item based on the ratings from similar users. Similarity between users is calculated using the Pearson correlation coefficient. The ratings of the top K most similar users are then averaged to predict the target user's rating.
This document presents the development of a Web Access Literacy Scale to measure users' abilities to critically evaluate information found online. The researchers conducted a study with 534 participants to develop and validate the scale. Factor analysis resulted in a 7-factor scale measuring logical approach, content verification strategies, inquisitiveness, bias tolerance, search skills, author verification, and objectivity. Scores were higher for those with information literacy experience. The scale can help identify weaknesses and inform the development of literacy training and search tools.
9. デザインへのビッグデータ活用例: AI Websites that design themselves
●● 画画画像像と像とテとテテキテキキスキスストストトをトをを与与与え与えれえれれるれるるとるととウとウウェウェェブェブブサブササイサイイトイトトをトをを自自自動動生生成
●●● 訪訪訪訪訪問問問問者者者者の者者のののの行行行行行行行動動動動・動動動動・反反反反反反反応応応応応を応応をををを解解解解解解析析析析し析析析ししししてししててててててデててデデデデデデザデデザザザザザイザザイイイイイインイインンンンンンをンンををををををを修修修修修修修正
The Grid