Hideaki Takeda

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Hideaki Takeda is an author.


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Title Keyword(s) Published in Language DateThis property is a special property in this wiki. Abstract R C
Evaluating the helpfulness of linked entities to readers Entity linking
Knowledge base
HT 2014 - Proceedings of the 25th ACM Conference on Hypertext and Social Media English 2014 When we encounter an interesting entity (e.g., a person's name or a geographic location) while reading text, we typically search and retrieve relevant information about it. Entity linking (EL) is the task of linking entities in a text to the corresponding entries in a knowledge base, such as Wikipedia. Recently, EL has received considerable attention. EL can be used to enhance a user's text reading experience by streamlining the process of retrieving information on entities. Several EL methods have been proposed, though they tend to extract all of the entities in a document including unnecessary ones for users. Excessive linking of entities can be distracting and degrade the user experience. In this paper, we propose a new method for evaluating the helpfulness of linking entities to users. We address this task using supervised machine-learning with a broad set of features. Experimental results show that our method significantly outperforms baseline methods by approximately 5.7%-12% F1. In addition, we propose an application, Linkify, which enables developers to integrate EL easily into their web sites. 0 0
Analysis of discussion page in Wikipedia based on user's discussion capability Discussion capability
Discussion evaluation
Proceedings - 2012 IEEE/WIC/ACM International Conference on Web Intelligence, WI 2012 English 2012 Wikipedia is the user contributed encyclopedia edited collaboratively by a wide-range of people. Wikipedia usually determines contents of article and editorial policies through discussion among participants. It requires a lot of effort in deducing its conclusion often due to protracted discussion. We need some measurement to examine how discussion is valuable to reach conclusion. So, we call it discussion validity and define it with the model with discussion capability of participants. Discussion capability of participants consists of three features each of which represents characteristic aspect of users' behavior in discussion, and approximated from the corresponding three features of their utterances. We conducted the experiments with the subjects to verify the model and found that our model resulted better than the conventional model and proposed the automatic prediction of discussion validity using the text analysis. Then we estimated discussion validity through the model with the estimated values. It turned out that the estimation was well fitted with the values by the subjects. 0 0
Wedata: A wiki system for service oriented tiny code sharing Metadata
Open collaboration
Open source
WikiSym 2012 English 2012 A new trend for applications for the Internet is to create and share tiny codes for applications like site-specific codes for a broswer extension. It needs a new tools to share and distribute such codes efficiently. We built a Wiki site called Wedata which stores tiny code for a particular service. Wedata has three features: machine readability, code sharing, and service orientation. Many developers already use Wedata for browser extensions. More than 1,300,000 users are using Wedata. As described in this paper, we describe the Wedata system, usage statistics, and the behavior of open collaboration on the system. 0 0
Typing software articles with Wikipedia category structure NII Technical Reports 2010 In this paper we present a low-cost method for typing Named Entities with Wikipedia. Different from other text analysis-based approaches, our approach relies only on the structural features of Wikipidia and the use of external linguistic resources is optional. We perform binary classification of an article by analyzing of the names of its categories as well as the structure. The evaluation shows our method can be successfully applied to the 'software' category {(F} 80\%). 0 0
Social networks of an emergent massively collaborative creation community: Case study of hatune miku movie on Nico Nico Douga CEUR Workshop Proceedings English 2009 The Web technology enables numerous people to collaborate in creation. We designate it as massively collaborative creation via the Web. It is coming to produce important activities such as Wikipedia and Yahoo Answers. As an example of massively collaborative creation, we particularly examine video development on Nico Nico Douga, which is a video sharing website that is popular in Japan. We specifically examine videos on Hatsune Miku, a version of a singing synthesizer application software that has inspired not only song creation but also songwriting, illustration, and video editing. As described herein, creators interact to create new contents though their social network. As described in this paper, we analyzed the process of developing thousands of videos based on creators' social networks. The purpose of this paper is to investigate the relations among social networks and creation activities. 0 0
Extraction and analysis of tripartite relationships from Wikipedia International Symposium on Technology and Society, Proceedings English 2008 Social aspects are critical in the decision making process for social actors (human beings). Social aspects can be categorized into social interaction, social communities, social groups or any kind of behavior that emerges from interlinking, overlapping or similarities between interests of a society. These social aspects are dynamic and emergent. Therefore, interlinking them in a social structure, based on bipartite affiliation network, may result in isolated graphs. The major reason is that as these correspondences are dynamic and emergent, they should be coupled with more than a single affiliation in order to sustain the interconnections during interest evolutions. In this paper we propose to interlink actors using multiple tripartite graphs rather than a bipartite graph which was the focus of most of the previous social network building techniques. The utmost benefit of using tripartite graphs is that we can have multiple and hierarchical links between social actors. Therefore in this paper we discuss the extraction, plotting and analysis methods of tripartite relations between authors, articles and categories from Wikipedia. Furthermore, we also discuss the advantages of tripartite relationships over bipartite relationships. As a conclusion of this study we argue based on our results that to build useful, robust and dynamic social networks, actors should be interlinked in one or more tripartite networks. 0 1
Manufacturing feature library as a manufacturing information management system for process planning Feature library
Manufacturing feature
Manufacturing feature ontology
Process planning
Semantic wiki
36th International Conference on Computers and Industrial Engineering, ICC and IE 2006 English 2006 A manufacturing feature can be defined simply as a geometric shape and its manufacturing information to create the shape. For the generation of process plans in a manufacturing feature-based process planning system, it is necessary to develop a manufacturing feature library that consists of predefined manufacturing features and the manufacturing information to create the shape of the features. In other words, manufacturing feature library plays an important role for the extraction of manufacturing features with their proper manufacturing information. However, to manage the manufacturing information flexibly, it is important to build a manufacturing feature library that is easy to manage. In this paper, the implementation of Semantic Wiki for the development of the manufacturing feature library as the manufacturing information management system is proposed. 0 0
Semantic Wiki as a lightweight knowledge management system MediaWiki
Semantic wiki
Lecture Notes in Computer Science English 2006 Since its birth in 1995, Wild has become more and more popular. This paper presents a Semantic Wiki, a Wiki extended to include the ideas of Semantic Web. The proposed Semantic Wiki uses a simple Wiki syntax to write labeled links which represent RDF triples. By enabling the writing of labeled links, Semantic Wiki may provide an easy-to-use and flexible environment for an integrated management of content and metadata, so that Semantic Wiki may be used as a lightweight knowledge management system. 0 0
Semantic wiki as a lightweight knowledge management system RDF
Semantic wiki
ASWC English 2006 0 0
Towards a semantic wiki-based japanese biodictionary CEUR Workshop Proceedings English 2006 This paper describes an on-going project to develop and maintain a web-based Japanese Biodictionary within a Semantic Wiki environment. For the development of the dictionary, MediaWiki is extended to enable the writing of labeled links that represent RDF triples. The extension enables Semantic Wiki to provide not only collaborative environment for experts in various biology fields to create and edit the dictionary, but also the navigation support to manage relations between terms. Using a simple wiki syntax, people can develop and maintain the dictionary visually and easily. 0 0