Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business最新文献_第3页

When experts collaborate: sharing search and domain expertise within an organization 专家协作时:在组织内共享搜索和领域专业知识

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809582

D. Stange, A. Nürnberger

引用次数: 5

Social activity versus academic activity: a case study of computer scientists on Twitter 社交活动与学术活动:计算机科学家在Twitter上的案例研究

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809584

S. Pujari, Asmelash Teka Hadgu, E. Lex, R. Jäschke

{"title":"Social activity versus academic activity: a case study of computer scientists on Twitter","authors":"S. Pujari, Asmelash Teka Hadgu, E. Lex, R. Jäschke","doi":"10.1145/2809563.2809584","DOIUrl":"https://doi.org/10.1145/2809563.2809584","url":null,"abstract":"In this work, we study social and academic network activities of researchers from Computer Science. Using a recently proposed framework, we map the researchers to their Twitter accounts and link them to their publications. This enables us to create two types of networks: first, networks that reflect social activities on Twitter, namely the researchers' follow, retweet and mention networks and second, networks that reflect academic activities, that is the co-authorship and citation networks. Based on these datasets, we (i) compare the social activities of researchers with their academic activities, (ii) investigate the consistency and similarity of communities within the social and academic activity networks, and (iii) investigate the information flow between different areas of Computer Science in and between both types of networks. Our findings show that if co-authors interact on Twitter, their relationship is reciprocal, increasing with the numbers of papers they co-authored. In general, the social and the academic activities are not correlated. In terms of community analysis, we found that the three social activity networks are most consistent with each other, with the highest consistency between the retweet and mention network. A study of information flow revealed that in the follow network, researchers from Data Management, Human-Computer Interaction, and Artificial Intelligence act as a source of information for other areas in Computer Science.","PeriodicalId":20526,"journal":{"name":"Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business","volume":"440 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82910231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Improving recommender system navigability through diversification: a case study of IMDb 通过多样化提高推荐系统的可导航性:以IMDb为例

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809603

Daniel Lamprecht, Florian Geigl, Tomas Karas, Simon Walk, D. Helic, M. Strohmaier

{"title":"Improving recommender system navigability through diversification: a case study of IMDb","authors":"Daniel Lamprecht, Florian Geigl, Tomas Karas, Simon Walk, D. Helic, M. Strohmaier","doi":"10.1145/2809563.2809603","DOIUrl":"https://doi.org/10.1145/2809563.2809603","url":null,"abstract":"The Internet Movie Database (IMDb) is the world's largest collection of facts about movies and features large-scale recommendation systems connecting hundreds of thousands of items. In the past, the principal evaluation criterion for such recommender systems has been the rating accuracy prediction for recommendations within the immediate one-hop-neighborhood. Apart from a few isolated studies, the evaluation methodology for recommender systems has so far lacked approaches that quantify and measure the exposure to novel content while navigating a recommender system. As such, little is known about the support for navigation and browsing as methods to explore, browse and discover novel items within these systems. In this article, we study the navigability of IMDb's recommender systems over multiple hops. To this end, we analyze the recommendation networks of IMDb with a two-level approach: First, we study reachability in terms of components, path lengths and a bow-tie analysis. Second, we simulate practical browsing scenarios based on greedy decentralized search. Our results show that the IMDb recommendation networks are not very well-suited for navigation scenarios. To mitigate this, we apply a method for diversifying recommendations by specifically selecting recommendations which improve connectivity but do not compromise relevance. We demonstrate that this leads to improved reachability and navigability in both recommender systems. Our work underlines the importance of navigability and reachability as evaluation dimension of a large movie recommender system and shows up ways to increase navigational diversity.","PeriodicalId":20526,"journal":{"name":"Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82095355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 11

A hybrid approach for Arabic named entity disambiguation 阿拉伯语命名实体消歧的混合方法

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809589

Mohammad Al-Smadi, Bashar Talafha, Omar Qawasmeh, Mohammed N. Alandoli, Wegdan A. Hussien, C. Gütl

引用次数: 5

Designing innovative digital technologies for knowledge management and data-driven business: a case study 为知识管理和数据驱动型业务设计创新数字技术:案例研究

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809570

Angela Fessl, Sandra Feyertag, Viktoria Pammer-Schindler

引用次数: 2

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business 第十五届知识技术与数据驱动商业国际会议论文集

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563

Stefanie N. Lindstaedt, Tobias Ley, Harald Sack

引用次数: 3

Applying gamification in the context of knowledge management 游戏化在知识管理中的应用

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809606

J. L. Jurado, Alejandro Fernández, C. Collazos

引用次数: 21

Managing requirements knowledge in business networks: a case study 在商业网络中管理需求知识:一个案例研究

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809597

Jörgen Jaanus, Maria Sihver, Tobias Ley

{"title":"Managing requirements knowledge in business networks: a case study","authors":"Jörgen Jaanus, Maria Sihver, Tobias Ley","doi":"10.1145/2809563.2809597","DOIUrl":"https://doi.org/10.1145/2809563.2809597","url":null,"abstract":"In the last two decades, research on knowledge management (KM) has shifted its focus to understanding the role of knowledge management tools in achieving business objectives. However, KM initiatives often remain dispersed, especially in highly distributed organizational settings, such as business networks. Existing research on cross-organizational knowledge management focuses primarily on efficiencies through shared services while neglecting a knowledge sharing and creation perspective. Here we take a knowledge maturing perspective to propose a model for requirements knowledge which - instead of looking at single activities of retrieval -- considers a continuous cycle where the knowledge intensive processes and requirements shape each other. We develop the model using the insight from a case study of a European business network. Our findings for meeting innovation requirements reflect that the selective access to communication platforms due to the less formal network structure needs to be substituted by process based roles and tasks of employees. Considering efficiency requirements diverse data sources result in the need to capture and incorporate the semantics of concepts for elimination of duplicated process related effort. Regarding quality requirements the guidance role of matured knowledge, such as standards, best practices, controls etc. needs to be integrated.","PeriodicalId":20526,"journal":{"name":"Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89840674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Smart booking without looking: providing hotel recommendations in the TripRebel portal 无需查看即可智能预订:在TripRebel门户网站上提供酒店推荐

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809616

Matthias Traub, Dominik Kowald, Emanuel Lacić, Pepijn Schoen, Gernot Supp, E. Lex

引用次数: 4

Community-aware ranking algorithms for expert identification in question-answer forums 面向社区的问答论坛专家识别排序算法

Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business Pub Date : 2015-10-21 DOI: 10.1145/2809563.2809592

Mohsen Shahriari, Sathvik Parekodi, R. Klamma

{"title":"Community-aware ranking algorithms for expert identification in question-answer forums","authors":"Mohsen Shahriari, Sathvik Parekodi, R. Klamma","doi":"10.1145/2809563.2809592","DOIUrl":"https://doi.org/10.1145/2809563.2809592","url":null,"abstract":"Question-Answer forums (QAF) are significant platforms for disseminating informal information and play important role in problem solving and learning. Expert identification still has some limitations and link analysis methods do not consider community dimension. In this paper an authority analysis approach for identifying experts is proposed. This approach combines overlapping community detection (OCD) algorithms with ranking methods to compute the nodes' expertise level in QAFs. Firstly, graph resulting from a specific search query is computed and an OCD algorithm is applied on it. After identifying clusters of nodes, we change updating rules of original Hyperlink-Induced Topic Search (HITS) and PageRank to take the effect of intra cluster links and extra cluster connections. People whom are intra or overlapping to a community possess higher vision about context of the community than nodes which are outside. We experimented the proposed overlapping community-aware ranking algorithms and compared them with baseline approaches on online forums. Results indicate that OCD improves expert identification accuracy and relevancy.","PeriodicalId":20526,"journal":{"name":"Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business","volume":"378 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2015-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75804537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 24