Alejandro Ruiz Figueroa

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Fish, benthic macroinvertebrate, and plant responses to 30-day exposures of C14-15 linear alcohol ethoxylate surfactant with an average of 7 mol of ethylene oxide (LAE) were measured in flowthrough stream mesocosms. Replicate stream mesocosms were treated in two experiments with concentrations of LAE ranging from 80 to 550 microg/liter. Macroinvertebrates(More)
Any scientific or technical document is organized hierarchically: some sections of the text (such as the abstract or conclusions) summarize the contents of the main text; sections have titles describing their contents in general words; chapter titles describe the contents of a set of sections; book title describes the contexts of all chapters, etc.(More)
We propose a method for semi-automatic construction of an ontology of a given branch of science for measuring its evolution in time. The method relies on a collection of documents in the given thematic domain. We observe that the words of different levels of abstraction are located within different parts of a document: say, the title or abstract contains(More)
In this paper design of relationship links for extraction of semantic information especially for a visual corpus of architecture, on a case study of historical relics is discussed. Further definition of relationship functions between entities -or terms with related attributesare shown by a visual graph or simple formula. Domain dependent designs of(More)
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