نتایج جستجو برای: shallow tailwater
تعداد نتایج: 36779 فیلتر نتایج به سال:
This work presents a type of parser that takes the process of chunking to the stage of producing full parse trees. This type of parser, denoted Thin Parsers (TP) in this work has the characteristics of: following a given grammar, creating full parse trees, producing only a limited number of full parse trees, parsing in linear time of sentence length. Performance standards on the Penn Tree Bank ...
This paper describes the tests made on chunking methods used for plagiarism detection. The result of the tests makes it possible to decide on the best fitting chunking method for a given application. For example, overlapping word chunking is good for a grammar analyzer or for small databases, sentence chunking suits best for finding quoted texts, hashed breakpoint chunking is the fastest method...
This article describes the application of lemmatization and shallow parsing as a linguistically-based alternative to stemming in Text Retrieval, with the aim of managing linguistic variation at both word level and phrase level. Several alternatives for selecting the index terms among the syntactic dependencies detected by the parser are evaluated. Though this article focuses on Spanish, this ap...
It is well established that certain structural buckling problems are extremely sensitive to small changes in configuration: geometric imperfections, load application, symmetry, boundary conditions, etc. This paper considers the behavior of a very shallow arch under lateral point loading, and specifically under the influence of changes in the thermal environment. In some ways the system under st...
We describe a system which uses lexical shallow parsing to find adjectival “appraisal groups” in sentences, which convey a positive or negative appraisal of an item. We used a simple heuristic to detect opinion holders, determining whether a person was being quoted in a specific sentence or not, and if so, who. We also explored the the use of unsupervised learners and voting to increase our cov...
Our research is motivated by the observation that NLP systems frequently mislabel passive voice verb phrases as being in the active voice when there is no auxiliary verb (e.g., “The man arrested had a long record”). These errors directly impact thematic role recognition and NLP applications that depend on it. We present a learned classifier that can accurately identify reduced passive voice con...
In order to improve the removal ability of nitrogen and phosphorus pollutants from sewage with low C/N ratio, this study prepared glucose polymer-based pyrite tailings core-shell structure through polymerizing on surface particles constructed a heterotrophic-sulfur autotrophic mixed-denitrification system. The experimental results show that compared ordinary tailings, modified by polymer can wa...
douala metropolitan city loated in the littoral province of cameroon,has experienced a rapid urbaniation and industralisation. the city depends heavily on groundwater as a resource. due to ubiquitous sources of pollution, groundwater quality and contamination has become an imprtant issue for this urban groundwater supply. this study uses the major ion chemistry of groundwater together with t...
well exposed famennian, mainly carbonate rocks of the bahram formation in the vicinity of bagher abad village, central iran,yielded chondrichthyan teeth some sarcopterygii and actinopterygii teeth and fragments. three different genera were recognizedamong the chondrichthyan teeth represented by: phoebodus turnerae, ph. spp., deihim mansureae (m2, m3), stethacanthus sp..acanthodian and sarcopter...
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