The term "schema" was first used in psychology with the meaning of "an active organization of past reactions or experiences". It assumes that written text does not carry meaning by itself. Rather, a text only provides dir...
Moreover, an SQL or QBE query often needs to be changed if the relevant part of the conceptual schema or internal schema is changed, even if the meaning of the query is unaltered. Finally, relational query optimizers ignore many semantic optimization opportunities arising from knowledge of ...
Table 3-1 defines the meaning of each bit position for bits 0-15: Table 3-1 Bit Definitions and ics.conf Settings Property Name and ics.conf Setting Name Bit Allows (0) or Disallows (1) allowCalendarCreation service.wcap.allowcreatecalendars 0 Creation of calendars allowCalendarDeletion ...
this theory believes that, reading is a process for a reader to positively predict, choose and confirm the meaning of the text. this process not only consists of the readers linguistic knowledge but also involves a readers life experiences and the inherently abstract concept in the persons 5、 ...
Each property in a schema should correspond to the same property in the data, describing it via a "property descriptor" — an object specifying: Type descriptor — Describes the type of the value. Could be either a "simple"typeproperty having a value like"string"/"number"/ etc, or a mor...
cultural image of“wolf”has a similar symbolic meaning in Chi⁃ nese, and we all know the story of“Mr. Dong Guo and the Wolf”. 子系中山狼,得志便猖狂。( 《红楼梦》第五回《金陵十二钗 图册判词》) Yang: For husband she will have a mountain wolf, His ob⁃ ject gained he ruthlessl...
some issues in mapping richer VRA Core elements to basic Dublin Core. Even though the data elements are similar, there are semantic differences between these elements. For example, the VRA Style/Period is similar to the Dublin Core elements subject or coverage, but some loss of meaning occurs ...
Schema names must be unique, meaning it should also be specific enough that it will not be reused in the future. For example, if your organization had separate loyalty programs for different brands, it would be wise to name your schema “Brand A Loyalty Members” to make it easy to distin...
Column Head Meaning Name Name of the attribute matching rule Object ID Unique identifier of this matching rule Description Words describing the matching rule (optional) Syntax Syntax used with this matching rule Viewing Matching Rules by Using ldapsearchUse ldapsearch on the subentry cn=subSche...
Briefly explain the meaning of three levels of variances, Level 0, Level1, Level 2, and Level 3 in detail and provide an example of variance at each of those levels. Identify pervasive constraint (s) developed in the conceptual framework. ...