Schema Evolution publication categorizer

... XML documents that satisfy a given schema, e.g., a DTD. In this context, when a given update violates the schema, it might be the ... to be used by a data administrator who is an expert in the domain of application of the database, but who is not required to be a ...

Publication - cat - 04/17/2013 - 07:27 - 0 comments - 0 attachments

... the most important of which is that schemas are placed in a partial order that has bounded joins. This means that the merging ... that the merge of schemas is independent of the order in which they are considered --- a property not possessed by existing ...

Publication - huliganka - 04/16/2013 - 20:38 - 0 comments - 1 attachment

... A subtle problem of schema integration is considered in its general form, not bound to any particular category of schemas. The ... theory are established that apply to integrity problems in schema integration. The theory is illustrated by a particular category of ...

Publication - huliganka - 04/16/2013 - 19:27 - 0 comments - 1 attachment

... of interest arises when S is the class of all instances, in which case an S-inverse is a global inverse. We focus on the important ... we show how to construct an S-inverse when one exists. In particular, we show how to construct a global inverse when one exists. ...

Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment

... is based on a classification of the constructs used in the known data model into a limited set of types Then on the basis of ... deriving \"good\" translations between schemes and more in general between models Finally we define the architecture and the ...

Publication - huliganka - 04/16/2013 - 15:49 - 0 comments - 1 attachment

... 267.78 KB In this paper we study the problem of schema exchange, a natural extension of ...

Publication - paolop - 04/16/2013 - 09:27 - 0 comments - 1 attachment

... WCRE'04 / ATEM'04, Electronic Notes in Theoretical Computer Science, Vol. 137, Is. 3: 5-15 ...

Publication - huliganka - 04/16/2013 - 07:49 - 0 comments - 0 attachments

... 100 - 499 The basic assumption in model engineering (MDE) is to consider models as first class entities. One of the most important kinds of models in MDE approaches are transformation models. Transformation models define ...

Publication - huliganka - 04/16/2013 - 07:38 - 0 comments - 0 attachments

... the entire history of source databases is not stored in the warehouse; the warehouse keeps enough information for its ... (i.e. non-temporal operators). Although temporal views in V are specified in a temporal algebraic query language we translate them into relational ...

Publication - huliganka - 04/16/2013 - 06:27 - 0 comments - 1 attachment

... form of the constrained distance previously reported in [27]. When applied to ordered trees, the degree-2 distance is a ... and insertions occur at leaves i.e., with degree 1.) In this extended abstract, we present algorithms for computing the degree-2 ...

Publication - huliganka - 04/16/2013 - 06:16 - 0 comments - 0 attachments

... 10 - 49 The first step in finding an efficient way to solve any difficult problem is making a ... solved by these systems do not exist, or are partial. In this paper, we analyze the problem of seman- tic schema matching, identify ...

Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments

... Manifold\" and the Stanford \"Tsimmis\" project in these terms. (Conference, Theory, Information integration) ...

Publication - huliganka - 04/16/2013 - 01:27 - 0 comments - 0 attachments

... by a set of intermediate model meta-classes (organized in the form of a directed acyclic graph (DAG) to achieve extensibility y), ... of these meta-classes are used to describe a schema in a given data model. The proposed approach supports dynamic meta-schema ...

Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments

... Venue:  In Sixth IFIP TC-2 Working Conf. on Data Semantics (DS-6), Atlanta, Georgia, ... 10 - 49 In this paper we study the problem of translating schemes between different ...

Publication - huliganka - 04/15/2013 - 23:16 - 0 comments - 0 attachments