Search results

...e scheme. A table <math>T</math> is subject to a join [[dependency theory (database theory)|dependency]] if <math>T</math> can always be recreated by [[Relatio ...<math>R</math> itself.<ref>{{cite book|last=Silberschatz|first=Korth|title=Database System Concepts|edition=1st}}</ref> ...

...ge base.<ref name="Libkin"/> The notion of certain answer, investigated in database theory since the 1970s,<ref name="Libkin"/> is indeed defined in the contex * <math>D</math> is an incomplete database ...

...[[protein folding|folding]]. I-sites have also been identified as discrete models for folding pathways. I-sites consist of about 250 motifs. Each [[sequence '''The sequence and structure database''' ...

...edded dependency''' (ED) is a certain kind of constraint on a [[relational database]]. It is the most general type of constraint used in practice, including bo ...ier |book-title=Handbook of Theoretical Computer Science, Volume B: Formal Models and Sematics |pages=1073–1156 |location=Amsterdam |conference= |id= |doi=10 ...

...s|first=Renzo|date=2012-04-01|title=A comparison of current graph database models|url=https://www.researchgate.net/publication/261076480|journal=Internationa ...427}}</ref><ref>{{Citation|last1=Gutierrez|first1=Claudio|title=Graph Data Models|date=2018|url=https://doi.org/10.1007/978-3-319-63962-8_81-1|encyclopedia=E ...

...of choosing the actual ''true value'' for a [[data item]] when different [[Database|data sources]] provide conflicting information on it. ...ty voting]] to more complex ones able to estimate the trustworthiness of [[Database|data sources]].<ref name=":3">{{Cite journal|last1=Li|first1=Yaliang|last2= ...

===Information retrieval quality<ref>J. Kemeny and L. Snell. ''Mathematical Models in THE Social Sciences.'' Ginn & Co. 1962</ref><ref>Y. Yao. "Measuring retr ...ath>P_{relevant}</math> be the set of relevant information elements in the database and <math>P_{retrieved}</math> be the set of the retrieved information elem ...

...formed and the results (e.g. the screening charge density) are stored in a database. In a separate step COSMO-RS uses the stored COSMO results to calculate the In analogy to activity coefficient models used in chemical engineering, such as [[Non-random two-liquid model|NRTL]], ...

...matical framework for knowledge representation, construction of scientific models and data storage using [[category theory]], linguistic and graphical tools. .... Every box (object of <math>\mathcal{C}</math>) in the olog is a [[table (database)|table]] <math>T</math> and the arrows (morphisms) emanating from the box a ...

'''Hierarchical network models''' are iterative algorithms for creating [[Complex network|networks]] which ...fficient as the number of nodes increases, in the case of the hierarchical models there is no relationship between the size of the network and its average cl ...

...index employs [[Natural scene statistics|natural scene statistical]] (NSS) models in conjunction with a [[Distortion (optics)|distortion]] (channel) model to The duality of HVS models and NSS implies that several aspects of the HVS have already been accounted ...

...f looking at the problem of sending data over a noisy channel. In previous models the best that could be done was ensuring correct decoding for up to ''d''/2 ==Comparison to other models== ...

...-and-refine algorithms for subsequence selection |conference=International Database Engineering and Applications Symposium |publisher=IEEE |year=2002 |doi=10.1 ...y across various disciplines, particularly in [[information retrieval]], [[database management]], and [[pattern recognition]], which efficiently processes larg ...

...ulating the density of the entire collection representation. This behavior models the original motivation of Salton and his colleagues that a document collec ...ematical techniques such as [[singular value decomposition]] and [[lexical database]]s such as [[WordNet]]. ...

...ution is defined over the two-valued [[Well-founded semantics|well-founded models]] of the atoms in the program. The probability of a model is defined as <ma <math display=block>P(q) = \sum_{M \models q} P(M) = \sum_{M \models q} \prod_{l \in M} P(l)</math> ...

Permutation puzzles are often used as models for testing search algorithms and heuristic functions, such as 3×3 <ref nam ...nto the target configuration of the subproblem, as shown in the image. The database is constructed using the method of backward [[Breadth-first search|breadth- ...

{{Short description|Database using graph structures for queries}} ...t2=Seon-Kyu|last3=Kim|first3=Seon-Young|date=March 2017|title=Use of Graph Database for the Integration of Heterogeneous Biological Data|journal=Genomics & Inf ...

* The Events IDs refer to a separate database that defines the characteristics of the events, known as an event loss tabl == Frequency models == ...

...min&submit=submit+id|title = V Coronae Borealis|work = SIMBAD Astronomical Database|publisher=Centre de Données astronomiques de Strasbourg|access-date = 13 No .... |last11=Marston |first11=A. |date=2015-09-01 |title=New observations and models of circumstellar CO line emission of AGB stars in the Herschel SUCCESS prog ...

...eeds at those conditions, while data analysis relies on amassing a large [[database]] of rock samples with pressure and temperature information. Experimental d ...elling|models]] of the [[lithosphere]] and mantle.<ref name=":22" /> These models enhance understanding of geological and volcanic activity, which may contri ...