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  • 1
    ISSN: 1432-0983
    Keywords: Tetrahymena ; Mitochondria ; tRNA ; Sequences
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We have isolated Phe and Tyr tRNAs from Tetrahymena pyriformis mitochondria and have determined that these are “native” species, encoded by the mtDNA. A single gene for the tRNAPhe has been positioned 12–14 kbp from the left end of the linear Tetrahymena mtDNA, while duplicate tRNATyr genes have been localized within the inverted terminal repeats of this genome. Primary sequence analysis demonstrates that the tRNATyr has all of the characteristic primary and secondary structural features of a normal tRNA; however, the tRNAPhe displays several atypical features, including (i) replacement of the usual Tψ sequence by UC, (ii) a U - U pair in the TψC stem, and (iii) an extra 5′-nucleotide (U).
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Computers and the humanities 29 (1995), S. 413-429 
    ISSN: 1572-8412
    Keywords: Bible ; English ; Gospels ; Greek ; Hebrew ; information retrieval ; latent semantic indexing ; singular value decomposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Media Resources and Communication Sciences, Journalism
    Notes: Abstract In this paper, a method for indexing cross-language databases for conceptual query matching is presented. Two languages (Greek and English) are combined by appending a small portion of documents from one language to the identical documents in the other language. The proposed merging strategy duplicates less than 7% of the entire database (made up of different translations of the Gospels). Previous strategies duplicated up to 34% of the initial database in order to perform the merger. The proposed method retrieves a larger number of relevant documents for both languages with higher cosine rankings when Latent Semantic Indexing (LSI) is employed. Using the proposed merge strategies, LSI is shown to be effective in retrieving documents from either language (Greek or English) without requiring any translation of a user's query. An effective Bible search product needs to allow the use of natural language for searching (queries). LSI enables the user to form queries with using natural expressions in the user's own native language. The merging strategy proposed in this study enables LSI to retrieve relevant documents effectively using a minimum of the database in a foreign language.
    Type of Medium: Electronic Resource
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