Optimizing complex queries with multiple relational instances

... Sortings of Relational Instances For complex decision support queries with multiple relational instances, the optimized execution plans may apply various sort operations to different instances ... processing with relational instances As a result, despite the frequent relational instances encountered, most of today’s relational query engines not explicitly recogniz...

Ngày tải lên: 10/09/2015, 15:53

... when optimizing queries without expensive predicates — if no expensive predicates are found while parsing the query, the techniques of this paper need not be invoked For queries with expensive predicates, ... throughout the rest of the paper Optimal Plans for Queries With Expensive Predicates At first glance, the task of correctly optimizing queries with expen...

Ngày tải lên: 28/04/2014, 14:09

... related to the origin of the parameters PAI-1 is synthesized not only by the endothelium, but also by the liver, vascular smooth muscle cells, and platelets [46] AT-III is synthesized by the liver ... and endothelium, and protein C by the liver On the contrary, the tPA–PAI-1 complex is considered to be synthesized mainly by the activated endothelium, because t...

Ngày tải lên: 12/08/2014, 18:20

... experience with the management of patients with POTS Initial therapy consisted of an increase in salt and fluid intake as well as aerobic reconditioning with resistance training to increase lower ... patients (27) In two patients the episodes of syncope were associated with prolonged periods of asystole felt to be neurocardiogenic in origin Postural orthostatic ta...

Ngày tải lên: 26/10/2012, 09:39

... strings and string functions today 6.087 Lecture – January 15, 2010 Review Pointers and Memory Addresses Physical and Virtual Memory Addressing and Indirection Functions with Multiple Outputs Arrays ... Physical and Virtual Memory Addressing and Indirection Functions with Multiple Outputs Arrays and Pointer Arithmetic Strings String Utility Functions Searching and Sorting...

Ngày tải lên: 25/04/2013, 08:07

... a mixture of TAXI-I and A niger endoxylanase with excess of TAXI-I, (C) TAXI-I, (D) a mixture of TAXI-I and T longibrachiatum M2 endoxylanase with excess of enzyme, (E) a mixture of TAXI-I and ... Role of TAXI-I His374 in endoxylanase inhibition enzyme, inhibitor and their complex Pre-incubation of wild-type TAXI-I and A niger endoxylanase at pH 5.0...

Ngày tải lên: 19/02/2014, 07:20

... by weight vector w, takes in a foreign sentence f and returns a translated hypothesis h The argmax operates in vector space and our goal is to find w leading to hypotheses on the Pareto Frontier ... between pareto vs non-pareto points ignores the fact that 2nd-place non-pareto points may also lead to good practical solutions A better approach may be to adopt a graded definition of Paret...

Ngày tải lên: 19/02/2014, 19:20

... these two aspects are crucial, depending on the characteristics of the dataset 2.1 Entity-based Coherence Model Document Representation The original entity-based coherence model is based on the ... augmented the original features used in the standard entity-based coherence model with a large number of entity-specific features, and their extension significantly ou...

Ngày tải lên: 22/02/2014, 02:20

... replacing it with a neutral residue Some of the mutant proteins were shown to exhibit intriguing properties, providing kinetic evidence for the direct complex formation of P450nor with NADH Materials ... the Fe3 –NO complex of the D393 mutant with NADH (final, 0.5 mM) Fig Spectral changes during reduction with NADPH of the Fe3+– NO complex of the wil...

Ngày tải lên: 07/03/2014, 15:20

... Development of our discourse processor was based on a corpus of 20 spontaneous Spanish scheduling dialogues containing a total of 630 sentences These dialogues were transcribed and then parsed with ... separate evaluation with the same set of dialogues, performance in terms of attaching the current chain of inference to the correct place in the plan tree for the purpose...

Ngày tải lên: 08/03/2014, 07:20

... SYSTEM THAT ANNOTATES ITS ANSWERS 63 In addition, Panorama extends the query language with three statements to manipulate and query the meta -database To add a new property view to the meta -database, ... detector, a, b2 )} V4 is represented with two meta-tuples: (E, x3 ∗, Virginia, ) ∈ store (E, radar detector, x3 ∗, ) ∈ availability PANORAMA: A DATABASE SYSTEM...

Ngày tải lên: 16/03/2014, 16:20

... complex from carbonatewashed membranes of SY5Y and 5-day-old mouse brain were examined using 10% Tris/tricine gels with reducing Ó FEBS 2003 Analysis of mouse and human brain presenilin complex ... assembly and stabilization of the complex [50–52] High levels of PS complex were detected in mouse embryonic brain consistent with high expres...

Ngày tải lên: 16/03/2014, 16:20

... clock BETTINI ET AL.: DISCOVERING FREQUENT EVENT PATTERNS WITH MULTIPLE GRANULARITIES IN TIME SEQUENCES 227 Fig An example of timed automaton with granularities decomposition of S into chains from ... ‹ n and t2 µ are both defined, BETTINI ET AL.: DISCOVERING FREQUENT EVENT PATTERNS WITH MULTIPLE GRANULARITIES IN TIME SEQUENCES Intuitively, for tim...

Ngày tải lên: 16/03/2014, 19:20

... 1.2 Previous ASL MT Systems Figure 1: Linguistic Channels in Multimodal Systems ASL NLG: A Form of Multimodal NLG NLG researchers think of communication signals in a variety of ways: some as ... linguistic applications could benefit from an NLG design with multiple linguistic channels (and indirectly benefit from ASL NLG technology) For instance, NLG systems producing s...

Ngày tải lên: 17/03/2014, 06:20

... well-formedness of a node with respect to all of the relevant principles, PAD3 exhibits the 'co-routining" behaviour of PAD2 rather than the 'generate and test" behaviour of PAD1, even when used with the ... associating each node with one of the three atomic values ass, rec or These values represent the Case properties of the node they are associated with; a node associated...

Ngày tải lên: 17/03/2014, 20:20