Progressive Skyline Computation in Database Systems potx

... March 2005. Progressive Skyline Computation in Database Systems • 59 Fig. 10. Incremental skyline maintenance for insertion. Fig. 11. Incremental skyline maintenance for deletion. skyline (of the ... Transactions on Database Systems, Vol. 30, No. 1, March 2005. Progressive Skyline Computation in Database Systems • 63 4.4 Dynamic Skyline Assume a database c...

Ngày tải lên: 23/03/2014, 16:21

... point in p(B). • p satisfies the relationship A behind B, stating that A is behind B in the picture p, iff the z-coordinate of each point in p(A) is greater than the z- coordinate of each point in ... set INSIDE + = G T inside =INSIDE−{A inside A |A is any involved object}. Suppose, for example, SR inside ={ A inside B, B inside C }. Then INSIDE + =SR inside ∪{ A inside C }. 3.3.2. Gene...

Ngày tải lên: 07/03/2014, 14:20

... are considering basing our re-ranking on the informa- tion held in the dialogue information state, knowl- edge of what is going on in the graphical interface and on dialogue moves in the list ... the domain adapted newspaper Corpus. 3.1 Interpolating the GSLC corpus and the MP3 corpus A technique used in language modelling to com- bine different SLMs is linear interpolation (Jelinek &...

Ngày tải lên: 22/02/2014, 02:20

... Phrases: Engineering database systems, geometric modeling, object-oriented database systems INTRODUCTION Motivation The last few years have shown a rapid increase in the use of robots in mechanical ... engineering database systems investigated in the remainder of this section. 3.1 The (Pure) Relational Database Systems In the introduction to this paper we cited a f...

Ngày tải lên: 07/03/2014, 23:20

... governing the introduction of sin- ~ular definite nounphrases in sentences by postulating co-referentiality with a previously occurring indefinite noun- phrase having the same referential in- ... solutions ; in fact its aim is to point out areas where fruitful research is still outstanding. REFERRING TO DATABASE OBJECTS In a relational database an indivi- dual entity is def...

Ngày tải lên: 09/03/2014, 01:20

... aglycin binding protein purified by affinity chromatography. Lane A, protein molecular mass mark- ers; lane B, the aglycin binding protein isolated from mice; lane C, the aglycin binding protein ... similarity with animal insulin in binding the basic 7S globulin and stimulating its protein kinase activity [16], the 4 kDa soybean peptide was initially designated leginsulin [12] but this name ....

Ngày tải lên: 23/03/2014, 09:21

... the correct insertion point. Inserting (i.e. Unioning) a new key value into a interval will cause the Penalty to be pos- itive only if is not already contained in the interval. Thus in step CS2, ... Stonebraker. Inclusion of New Types in Relational Database Systems. In Proceedings of the IEEE Fourth International Conference on Data Engineering, pages 262–269, Washington, D.C., Febr...

Ngày tải lên: 23/03/2014, 12:20

... Column-Oriented Database Systems 26 Re-use permitted when acknowledging the original © Stavros Harizopoulos, Daniel Abadi, Peter Boncz (2009) Varying prefetch size l No prefetching hurts columns in single ... Column-Oriented Database Systems 27 Re-use permitted when acknowledging the original © Stavros Harizopoulos, Daniel Abadi, Peter Boncz (2009) Varying prefetch size l No prefe...

Ngày tải lên: 23/03/2014, 16:20

... example, in clini- cal decision-making. Consequently it is important to keep in mind the following points. The general evidence-based information on quality is growing, and will increasingly be ... support. Again the organized delivery of health care will be a key compo- nent to cope with the increasing verticality of projects in countries. Within broader-sector plans being designed...

Ngày tải lên: 23/03/2014, 23:21

... recently, the independent committee investigating the disaster involving the space shuttle Columbia highlighted the importance of institutional culture in its findings, pointing to the self-protective ... for creating and recreating successful teams as new systems are envisioned. ENABLING TOOLS AND DATABASES The well-established success of computational engineering in various discip...

Ngày tải lên: 28/03/2014, 11:20