نتایج جستجو برای: compression index

تعداد نتایج: 483701  

Journal: :مهندسی عمران فردوسی 0

compressibility characteristics of fine-grained soils are often the most important parameters for settlement evaluation of the founded layers. the compression index which is the slope of virgin curve is usually for determination of settlement potential of fine grained soils. in this research, the effects of different physical and index properties of soil samples were investigated on compression...

Journal: :journal of agricultural science and technology 2015
m. kasraei j. nejadi s. shafiei

physicochemical and mechanical properties of wheat grains can have a great impact on the quality of the final products (bread). therefore, correct selection of wheat cultivar for specific applications seems to be crucial. in this study, the differences in the physicochemical and mechanical properties (under compression and impact loadings) of ten iranian wheat cultivars (azar2, alamut, bam, bah...

2017
Giulio Ermanno Pibiri Rossano Venturini

The data structure at the core of nowadays large-scale search engines, social networks and storage architectures is the inverted index, which can be regarded as being a collection of sorted integer sequences called inverted lists. Because of the many documents indexed by search engines and stringent performance requirements dictated by the heavy load of user queries, the inverted lists often st...

2018
Rossano Venturini

The data structure at the core of nowadays largescale search engines, social networks, and storage architectures is the inverted index. Given a collection of documents, consider for each distinct term t appearing in the collection the integer sequence `t , listing in sorted order all the identifiers of the documents (docIDs in the following) in which the term appears. The sequence `t is called ...

Journal: :ACM Computing Surveys 2021

The data structure at the core of large-scale search engines is inverted index, which essentially a collection sorted integer sequences called lists. Because many documents indexed by such and stringent performance requirements imposed heavy load queries, index stores billions integers that must be searched efficiently. In this scenario, compression essential because it leads to better exploita...

Journal: :Afyon Kocatepe University Journal of Sciences and Engineering 2016

A. ASHRAFI A. GRAOVAC A. IRANMANESH D. VUKIČEVIĆ F. CATALDO F. MOFTAKHAR O. ORI T. DOŠLIĆ

We derived explicit formulae for the eccentric connectivity index and Wiener index of 2-dimensional square-octagonal TUC4C8(R) lattices with open and closed ends. New compression factors for both indices are also computed in the limit N-->∞.

2002
Daniel K. Blandford Guy E. Blelloch

An important concern in the design of search engines is the construction of an inv erted index. An inv erted index, also called a concordance, contains a list of documents (or posting list) for every possible search term. These posting lists are usually compressed with di erence coding. Di erence coding yields the best compression when the lists to be coded hav e high locality. Coding methods h...

2004
Y. Chen

Compression Ratio (CR) and Logical Operation Time (LOT) are two major measures of the efficiency of bitmap indexing. Previous works by [5, 9, 10, 11] compare the performance of bitmap compression schemes conducted separately on logical operation time and compression ratio. This paper will describe these works and recommend for consideration a new matrix – overall efficiency indicator. The overa...

2013
Amardeep Singh

Compressibility of a soil mass is its susceptibility to decrease in volume under pressure and is indicated by soil characteristics like coefficient of compressibility, compression index and coefficient of consolidation. However, the determination of soil compressibility characteristics in the labs is a cumbersome and time consuming process, especially in the case of fine grained soils. In the p...

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