[PDF] Top 20 Incremental View Maintenance: An Algorithmic Approach

... the view called delta propagation that can minimize the total size of base relations accessed by analysing the properties of base relations, they usually concentrate on cost of maintaining the ...for ... See full document

... of view, as the cost of initial placement and maintenance varies radically depending upon topography and geo-political ...but maintenance cost will be approximately the same for all towers, hence can ... See full document

... sources. Incremental maintenance is generally regarded as a more efficient way to maintain materialized views in a data warehouse The view has to be maintained to reflect the updates done against the ... See full document

... the incremental maintenance of XML views in the presence of statement- level XML ...Our view language corresponds to a core useful conjunctive XQuery ...Our approach is designed to take ... See full document

... OUR APPROACH 15 1.4 Our Approach We now propose a comprehensive framework for solving the problem of maintaining XML views defined in ...during view maintenance time for most of the ... See full document

... sources. Incremental maintenance is generally regarded as a more efficient way to maintain materialized views in a data warehouse The view has to be maintained to reflect the updates done against the ... See full document

... Intra-statement optimization aims to minimize the amount of network traffic required to execute one well-formed statement. Our cost model takes the number of communication rounds as the basic metric for cost comparison. ... See full document

... 4.2 Sliding Window Aggregation In this section, we show how ViewDF can be used to express the sliding window aggrega- tion queries. Sliding window aggregation is a large class of continuous queries in SDWs. Complete ... See full document

... Broadly, two types of sampling-based approaches have been investigated: 1) pre-computed samples, where a random sample is pre-computed by scanning the database and the same sample is reused for several queries and 2) ... See full document

... of incremental maintenance for nested queries either focus only on the fragment of the language that does not generate changes to inner collections [15], or propagate those changes based on auxiliary data ... See full document

... We have derived, from basic results of language and automata theory, a simple method for modifying a minimal (possibly cyclic) finite-state automaton so that it recognizes one string more or one string less while keeping ... See full document

... our approach allows producing content that fuses arbitrary combinations of distribution effects (lens, time, area lights, spectrum, including shadow or caustic motion) into arbitrary combinations of outputs (plain ... See full document

... the algorithmic paradigm, the question follows: to what extent does this new aesthetic hearken back to the photographic paradigm that has supposedly been superseded? To begin with, we may argue that taking ... See full document

... In this paper we have emphasized on developing an eco-friendly cloud computing by turning the switches of idle CPUs of IaaS off, simultaneously we have focused on avoiding SLA violation for minimized energy consumption ... See full document

... This algorithmic index can be tested across different industries that may have unique IT modernization characteristics which relate to the entire system under ... See full document

... to approach bibliography creation in a fast and accessible ...presupposes algorithmic handling, thus producing another motive for the master ...of algorithmic approach to bibliography ... See full document

... planation exists. The algorithm outputs a set of links de- noted as and each link in this set is a possible sin- gle failure explanation. Note that even with the view from multiple monitoring points, our ... See full document

... If the evaluation does not reveal a struc- tural abnormality, then glomerular causes of isolated hematuria (such as immunoglobulin A nephropathy or thin basement membrane disease) or sma[r] ... See full document

... Abstract - Data Mining is extracting useful information from large database that cannot be obtained by standard search mechanisms. We live in a world where a vast amount of data is generated and collected every day, ... See full document

... The K-Nearest Neighbor Algorithm which is being widely used-for classification, regression and also for non- parametric method. In N-Dimensional space, each attribute is pointing to trains sample with N-dimensional ... See full document