• 제목/요약/키워드: Biological information

검색결과 2,603건 처리시간 0.027초

생물 정보원에 대한 통합 접근을 위한 랩퍼 모델 (A Wrapper Model for Integrated Access to Biological Information Sources)

  • 박은경;강동완;정채영;배종민
    • 정보처리학회논문지D
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    • 제11D권4호
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    • pp.765-774
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    • 2004
  • 이질의 생물 정보원을 통합하기 위해서는 각 정보원의 이질적인 내용을 숨기고 하나의 관점으로 표현하는 뷰를 정의해야 한다. 본 논문은 생물 정보원 통합 미들웨어를 설계함에 있어서 XML 기반의 뷰 정의모델을 제시하고 그 동작 원리를 보인다. 제시된 모델은 통합시스템 구축을 위한 융통성을 증대시키고, 보다 추상화된 수준에서 통합 질의를 수행할 수 있도록 하기 위하여 사용자 정의 XML 뷰를 지원한다. 제시된 뷰 정의 모델을 기반으로 관계형 데이터베이스와 웹 자원에 대한 랩핑 모델을 제시하고, 아울러 응용 프로그램에 대해서도 같은 모델을 사용한 램핑 결과를 제시한다.

Efficient Mining of Interesting Patterns in Large Biological Sequences

  • Rashid, Md. Mamunur;Karim, Md. Rezaul;Jeong, Byeong-Soo;Choi, Ho-Jin
    • Genomics & Informatics
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    • 제10권1호
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    • pp.44-50
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    • 2012
  • Pattern discovery in biological sequences (e.g., DNA sequences) is one of the most challenging tasks in computational biology and bioinformatics. So far, in most approaches, the number of occurrences is a major measure of determining whether a pattern is interesting or not. In computational biology, however, a pattern that is not frequent may still be considered very informative if its actual support frequency exceeds the prior expectation by a large margin. In this paper, we propose a new interesting measure that can provide meaningful biological information. We also propose an efficient index-based method for mining such interesting patterns. Experimental results show that our approach can find interesting patterns within an acceptable computation time.

Lung Sound Classification Using Hjorth Descriptor Measurement on Wavelet Sub-bands

  • Rizal, Achmad;Hidayat, Risanuri;Nugroho, Hanung Adi
    • Journal of Information Processing Systems
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    • 제15권5호
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    • pp.1068-1081
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    • 2019
  • Signal complexity is one point of view to analyze the biological signal. It arises as a result of the physiological signal produced by biological systems. Signal complexity can be used as a method in extracting the feature for a biological signal to differentiate a pathological signal from a normal signal. In this research, Hjorth descriptors, one of the signal complexity measurement techniques, were measured on signal sub-band as the features for lung sounds classification. Lung sound signal was decomposed using two wavelet analyses: discrete wavelet transform (DWT) and wavelet packet decomposition (WPD). Meanwhile, multi-layer perceptron and N-fold cross-validation were used in the classification stage. Using DWT, the highest accuracy was obtained at 97.98%, while using WPD, the highest one was found at 98.99%. This result was found better than the multi-scale Hjorth descriptor as in previous studies.

체질임상정보 및 바이오정보를 활용한 연구동향분석에 대한 연구 (A study of Tendency Analysis to Research Using Clinical and Biological Information)

  • 김철;송미영;엄동명
    • 대한한의학원전학회지
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    • 제20권4호
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    • pp.171-186
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    • 2007
  • The fusion research subjects of Oriental medicine and Bio-Technology are actively advanced. Development of information analysis algorithm for constitution diagnosis using clinical and biological information is started recently. In addition, the research for providing personal oriented treatment information with Diagnosis result is to in the process of advancing. This paper considers the inside and outside of the country technical development trend of research for using clinical and biological information by analyzing patents and papers. It executed information analysis about changes to number of research papers and patents, present state and star higher officer of research facility from the dissertation which it sees. It is known that our country research result is slight so far in quantity and quality as result of analysis. But hereafter it contains a many developmental possibility. Also it reflects the appearance and a growth of new field like bioinformatics from constitution and bio information application field. The combination of bio information similar to constitution and heredity and computing technology to control those information efficiently comes to think with core technique.

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스키마 통합 기반 생명정보 검색시스템(BIRS) 설계에 관한 연구 (A Study on Design of Schema Integration based Biological Information Retrieval System)

  • 한건;이상호;안부영
    • 정보관리연구
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    • 제40권1호
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    • pp.217-234
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    • 2009
  • 컴퓨터로 옮겨 놓은 생물학 실험실에서 생명과학을 연구하는 연구자가 생명정보를 확인하려면 1차적으로 생물다양성 관련 데이터베이스에서 생명체에 관한 종정보, 생태정보, 분포정보를 검색해야 한다. 그리고 그 생명체를 구성하는 유전자 서열정보와 단백질 구조정보를 Genbank, PDB 등의 유전자/단백질 데이터베이스에서 검색해야 한다. 또한 그 생명체에 관한 학술적 내용이 수록된 학술논문까지 별도로 검색해야만 그 생명체에 관한 포괄적이고도 정확한 정보를 획득하여 연구에 활용할 수 있다. 이런 일련의 과정은 연구자에게 불편함과 함께 많은 시간이 소요됨으로 인해 연구의 효율성을 저하시키는 요인이 되고 있다. 이런 불편함을 해결하기 위하여 통합검색하기 위한 여러 방법을 분석하고, 그중 스키마 통합을 선택하였다. 또한 스키마 통합을 위하여 각각의 데이터베이스의 스키마를 분석하고 메타데이터를 추출하여 Mediated 스키마를 설계하였다. 본 논문에서 설계한 생명정보 검색시스템(BIRS, Biological Information Retrieval System)과 인터페이스를 사용하여 생명과학을 연구하는 연구자들의 연구의 효율성을 향상시킬 수 있을 것이다.

Categorized wetland preference and life forms of the vascular plants in the Korean Peninsula

  • Choung, Yeonsook;Min, Byeong Mee;Lee, Kyu Song;Cho, Kang-Hyun;Joo, Kwang Yeong;Hyun, Jin-Oh;Na, Hye Ryun;Oh, Hyun Kyung;Nam, Gi-Heum;Kim, Jin-Seok;Cho, Soyeon;Lee, Jongsung;Jung, Sangyeop;Lee, Jaeyeon
    • Journal of Ecology and Environment
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    • 제45권1호
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    • pp.72-77
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    • 2021
  • Background: In 2020, a categorized list of wetland preferences, major habitats, and life forms of 4145 vascular plant taxa occurring in the Korean Peninsula was published by the National Institute of Biological Resources. We analyzed the list and explored the distribution patterns of the five categorized groups according to wetland preference, along with the information on the major habitats and the life forms of the plants belonging to those categories. Results: Out of 4145 taxa, we found that 729 wetland plant taxa (18%) occur in Korea: 401 obligate wetland plants and 328 facultative wetland plants. Among the 729 wetland taxa, the majority (73%) was hygrophytes and the remaining 27% was aquatic macrophytes. Furthermore, almost all of the wetland taxa are herbs; so, woody plants are only 4.7%. The 16 carnivorous taxa distributed in Korea were characterized as obligate wetland plants. Conclusions: We expect the categorized information would promote understanding of the characteristics of the plant species and would be an important source for understanding, conservation, and restoration of wetland ecosystems.

First complete mitogenome sequence of Korean Gloydius ussuriensis (Viperidae: Crotalinae)

  • Hye Sook Jeon;Min Seock Do;Jung A Kim;Yoonjee Hong;Chae Eun Lim;Jae-Hwa Suh;Junghwa An
    • Journal of Species Research
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    • 제13권2호
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    • pp.127-130
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    • 2024
  • The first complete mitogenome sequence of the Red-tongue Pit Viper (Gloydius ussuriensis) from Korea was characterized using next-generation sequencing. The mitogenome is a circular molecule (17,209 bp) with a typical vertebrate mitogenome arrangement, which consists of 2 ribosomal RNA genes (rRNA), 22 transfer RNA genes (tRNA), two non-coding regions (D-loop), and 13 protein-coding genes (PCGs). The base composition of the mitogenome is 32.7% of A, 27.5% of C, 13.9% of G, and 25.9% of T, with a slight AT bias(58.6%). This phylogenetic analysis infers that G. ussuriensis is in the same group as the Chinese G. ussuriensis (Accession No. KP262412) and is closely related to G. blomhoffi and other species of the genus Gloydius. In our study, the complete mitogenome sequence of Korean G. ussuriensis was characterized and we provided basic genetic information on this species.