• Title/Summary/Keyword: Search engines

Search Result 437, Processing Time 0.029 seconds

The Development of Automatic Ontology Generation System Using Extended Search Keywords (검색 키워드 확장을 이용한 온톨로지 자동 생성 시스템 개발)

  • Shim, Joon;Lee, Hong-Chul
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.10 no.6
    • /
    • pp.1220-1228
    • /
    • 2009
  • Ontologies, which are the core of the Semantic Web, are usually limited by specific domains or created by defining meanings and relationships that depend on the heuristic. However, the creation of an ontology is not only very difficult but also very time-consuming. In contrast with ontologies that are used in specific fields, an ontology for the Web entails an unlimited scope of knowledge and expression of information. Hence, it is hard to express information in the same way that is used to create ontologies in specific fields. Therefore, the automatic generation of an ontology takes very important role in the Semantic Web. In this paper, to make ontologies automatically, we suggest the methods to create and renew ontologies by expanding keywords related to the index-terms which are extracted from the search keywords which users input in the search engines by analyzing the morphemes.

Geographic Disparities in Prostate Cancer Outcomes - Review of International Patterns

  • Baade, Peter D.;Yu, Xue Qin;Smith, David P.;Dunn, Jeff;Chambers, Suzanne K.
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.16 no.3
    • /
    • pp.1259-1275
    • /
    • 2015
  • Background: This study reviewed the published evidence as to how prostate cancer outcomes vary across geographical remoteness and area level disadvantage. Materials and Methods: A review of the literature published from January 1998 to January 2014 was undertaken: Medline and CINAHL databases were searched in February to May 2014. The search terms included terms of 'Prostate cancer' and 'prostatic neoplasms' coupled with 'rural health', 'urban health', 'geographic inequalities', 'spatial', 'socioeconomic', 'disadvantage', 'health literacy' or 'health service accessibility'. Outcome specific terms were 'incidence', 'mortality', 'prevalence', 'survival', 'disease progression', 'PSA testing' or 'PSA screening', 'treatment', 'treatment complications' and 'recurrence'. A further search through internet search engines was conducted to identify any additional relevant published reports. Results: 91 papers were included in the review. While patterns were sometimes contrasting, the predominate patterns were for PSA testing to be more common in urban (5 studies out of 6) and affluent areas (2 of 2), higher prostate cancer incidence in urban (12 of 22) and affluent (18 of 20), greater risk of advanced stage prostate cancer in rural (7 of 11) and disadvantaged (8 of 9), higher survival in urban (8 of 13) and affluent (16 of 18), greater access or use of definitive treatment services in urban (6 of 9) and affluent (7 of 7), and higher prostate mortality in rural (10 of 20) and disadvantaged (8 of 16) areas. Conclusions: Future studies may need to utilise a mixed methods approach, in which the quantifiable attributes of the individuals living within areas are measured along with the characteristics of the areas themselves, but importantly include a qualitative examination of the lived experience of people within those areas. These studies should be conducted across a range of international countries using consistent measures and incorporate dialogue between clinicians, epidemiologists, policy advocates and disease control specialists.

($OntoFrame^{(R)}$;an Information Service System based on Semantic Web Technology (시맨틱 웹 기술 기반 정보서비스 시스템 $OntoFrame^{(R)}$)

  • Sung, Won-Kyung;Lee, Seung-Woo;Hahn, Sun-Hwa;Jung, Han-Min;Kim, Pyung;Lee, Mi-Kyung;Park, Dong-In
    • Proceedings of the Korean Institute of Intelligent Systems Conference
    • /
    • 2008.04a
    • /
    • pp.87-88
    • /
    • 2008
  • As an information service system based on semantic web technology, $OntoFrame^{(R)}$ takes aim at a framework for providing analysis and fusion services of academic information. It currently consists of three parts: ontologies representing knowledge schema derived from academic information, $OntoURI^{(R)}$ which makes academic information into knowledge, and $OntoReasoner^{(R)}$ which performs inference and search on the knowledge. Unlike existing search engines which provides simple search services, our system provides, based on semantic web technology, several semantic and analytic services such as year-based topic trends in academic information, related topics, topic-based researchers and institutes, researcher network, statistics and regional distribution of academic information.

  • PDF

The Effect of Laser Therapy for Diabetic Ulcer : Systematic Review (당뇨병성 궤양의 레이저치료에 대한 효과 : 체계적 문헌고찰)

  • Kang, Ki-Wan;Kang, Ja-Yeon;Jeong, Min-Jeong;Kim, Hong-Jun;Seo, Hyung-Sik;Jang, In-Soo
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
    • /
    • v.30 no.4
    • /
    • pp.62-74
    • /
    • 2017
  • Objectives : The purpose of this study is to investigate the effect of laser therapy for diabetic ulcer by using methods of systematic review. Methods : In this review, PubMed, Cochrane library, Web of Science, CNKI, CiNii, J-STAGE, NDSL and OASIS were used as the search engines. The search period is from the start date of the search engine to October 3, 2016. Randomized controlled trials(RCTs) using laser therapy for diabetic ulcer were searched and extracted by two independent researchers. Risk of bias(RoB) of Cochrane was used to assess methodological quality of studies. Results : Finally, five RCTs were selected. The follow-up period ranged from 15 days to 20 weeks. InGaAlP laser, GaAlAs laser and light emitting diode(LED) were used to treat diabetic ulcer. The clinical trials used sham laser irradiation or standard treatment as control in comparison to laser therapy. The endpoints included ulcer size, rate of healing and time to healing with follow-up period. The RCTs demonstrated therapeutic outcomes with no adverse effect. Most items of RoB were unclear and methodological quality was low. Conclusions : Our analysis suggests that laser therapy has therapeutic effects for diabetic ulcer. However, more systematic and stringent clinical trials will be required.

Systematic Review on Electroacupuncture for Acute Pancreatitis (급성췌장염의 전침치료에 대한 체계적 문헌 고찰)

  • Hwang, Hyeonho;Ju, Sungmin;Jang, Insoo;Jeong, Minjeong
    • The Journal of Internal Korean Medicine
    • /
    • v.40 no.4
    • /
    • pp.649-662
    • /
    • 2019
  • Objective: The purpose of this study was to investigate the effect of electroacupuncture on acute pancreatitis (AP). Method: The search engines that were used included PubMed, CNKI, OASIS, NDSL, the Korean Traditional Knowledge Portal, and J-STAGE. The search period was from the creation of the search engine to May 6, 2019; there were no language limitations. Extractions and selections from the literation were made by two authors. The study included randomized controlled trials with electroacupuncture for patients with acute pancreatitis. Cochrane's risk of bias (RoB) was used as the methodological quality assessment scale. Results: Nine studies were finally selected. It was observed that using electroacupuncture with general Western medicine treatment for AP was more effective than using only general Western medicine treatment. Although most of the studies showed a high risk of bias, there were significant differences among the indicators. Conclusion: The electroacupuncture treatment with Western medicine may be more effective in reducing symptoms of AP than Western medicine alone. However, due to the limitations of the research design, it was not enough to obtain reliable information. As a result, high quality research will be additionally required.

Semantic Conceptual Relational Similarity Based Web Document Clustering for Efficient Information Retrieval Using Semantic Ontology

  • Selvalakshmi, B;Subramaniam, M;Sathiyasekar, K
    • KSII Transactions on Internet and Information Systems (TIIS)
    • /
    • v.15 no.9
    • /
    • pp.3102-3119
    • /
    • 2021
  • In the modern rapid growing web era, the scope of web publication is about accessing the web resources. Due to the increased size of web, the search engines face many challenges, in indexing the web pages as well as producing result to the user query. Methodologies discussed in literatures towards clustering web documents suffer in producing higher clustering accuracy. Problem is mitigated using, the proposed scheme, Semantic Conceptual Relational Similarity (SCRS) based clustering algorithm which, considers the relationship of any document in two ways, to measure the similarity. One is with the number of semantic relations of any document class covered by the input document and the second is the number of conceptual relation the input document covers towards any document class. With a given data set Ds, the method estimates the SCRS measure for each document Di towards available class of documents. As a result, a class with maximum SCRS is identified and the document is indexed on the selected class. The SCRS measure is measured according to the semantic relevancy of input document towards each document of any class. Similarly, the input query has been measured for Query Relational Semantic Score (QRSS) towards each class of documents. Based on the value of QRSS measure, the document class is identified, retrieved and ranked based on the QRSS measure to produce final population. In both the way, the semantic measures are estimated based on the concepts available in semantic ontology. The proposed method had risen efficient result in indexing as well as search efficiency also has been improved.

The Interactive Voice Services based on VoiceXML (VoiceXML 기반 음성인식시스템을 이용한 서비스 개발)

  • Kim Hak-Gyoon;Kim Eun-Hyang;Kim Jae-In;Koo Myoung-Wan
    • MALSORI
    • /
    • no.43
    • /
    • pp.113-125
    • /
    • 2002
  • As there are needs to search the Web information via wire or wireless telephones, VoiceXML forum was established to develop and promote the Voice eXtensible Markup Language (VoiceXML). VoiceXML simplifies the creation of personalized interactive voice response services on the Web, and allows voice and phone access to information on Web sites, call center databases. Also, it can utilize the Web-based technologies, such as CGI(Common Gateway Interface) scripts. In this paper, we have developed the voice portal service platform based on VoiceXML called TeleGateway. It enables integration of voice services with data services using the Automatic Speech Recognition (ASR) and Text-To-Speech (TTS) engines. Also, we have showed the various services on voice portal services.

  • PDF

A Study on the Classification Scheme for the Design of Directory Kids Search Engines (초등학생용 주제별 검색을 위한 효율적인 카테고리 분류 방법)

  • Jeong, Boo-Hyun;Kim, Kap-Su
    • 한국정보교육학회:학술대회논문집
    • /
    • 2004.08a
    • /
    • pp.577-586
    • /
    • 2004
  • 인터넷을 통해 전달되는 교육자료의 양은 나날이 증가하고 있지만 정보 생산자들이 일정한 표준 없이 자의적인 기준에 의해 정보를 분류하여 구성하기 때문에 이용자가 필요한 정보를 정확하게 찾아내기란 매우 어려운 실정이다. 따라서 털 연구는 국내 주제별 검색엔진인 Yahoo Korea와 Naver, Hanmir, Empas의 초등학생용 검색엔진의 분류체계를 비교 분석하여 주제별 검색을 위한 효율적인 카테고리 분류 방법을 제시함으로써 정보접근에 익숙하지 않은 초등학생에게 쉽게, 빠르게, 정확하게 교육자료에 접근할 수 있는 분류체계를 제시하고자 한다.

  • PDF

PDFindexer: Distributed PDF Indexing system using MapReduce

  • Murtazaev, JAziz;Kihm, Jang-Su;Oh, Sangyoon
    • International Journal of Internet, Broadcasting and Communication
    • /
    • v.4 no.1
    • /
    • pp.13-17
    • /
    • 2012
  • Indexing allows converting raw document collection into easily searchable representation. Web searching by Google or Yahoo provides subsecond response time which is made possible by efficient indexing of web-pages over the entire Web. Indexing process gets challenging when the scale gets bigger. Parallel techniques, such as MapReduce framework can assist in efficient large-scale indexing process. In this paper we propose PDFindexer, system for indexing scientific papers in PDF using MapReduce programming model. Unlike Web search engines, our target domain is scientific papers, which has pre-defined structure, such as title, abstract, sections, references. Our proposed system enables parsing scientific papers in PDF recreating their structure and performing efficient distributed indexing with MapReduce framework in a cluster of nodes. We provide the overview of the system, their components and interactions among them. We discuss some issues related with the design of the system and usage of MapReduce in parsing and indexing of large document collection.

An Analysis of the Nursing Research on Communication in Korea (의사소통에 대한 국내 간호연구 분석)

  • Song, Mi-Ryeong
    • Journal of Korean Academy of Fundamentals of Nursing
    • /
    • v.13 no.3
    • /
    • pp.474-484
    • /
    • 2006
  • Purpose: This research was done in order to provide basic data for future research on communication and development of programs. Research methods and key areas of previous nursing research on communication in Korea were analyzed. Method: Journals with themes or titles 'nurse-patient communication', 'nursing and communication' and 'interaction between nurse-patient' were searched through internet search engines. Results: The most prevalent research design was survey and nurses were the main participants. Questionnaire was the most frequently used method to obtain the necessary data for the research. The most frequent nursing research topic regarding communication in Korea was the form of the communications such as 'types of communication', and 'organizational communication'. Conclusion: For future nursing research regarding communications in Korea, the participants and themes should be broadened. There is also a need to develop objective methods to measure and assess the results of communication so as to enable actual application of the results of the studies.

  • PDF