inferring activity time in news

... framework of Internet news browsing Figure 1 (below) outlines the proposed framework in Internet news browsing, comprising Internet news environment and interface usage Internet news environment ... 2002) Internet news browsing is thus a process of selecting or encountering with information hosted by interlinked information systems Projected as a mediated information activity, Internet news ... human interactivity (communicative behavior, including commenting on, and participating in, discussions), and middle-ground interactivity (customizing behavior, such as interacting with the interactive

Ngày tải lên: 05/10/2015, 22:15

... aimed at in-creasing MVPA/reducing screen time in the OSHC setting are required Certainly, in the past 10 to 15 years in Australia, some efforts have been made to in-crease MVPA in OSHC, in particular ... engaging with students in physical activity (16%), promoting physical activity (12%) or instructing students regarding physical activity (11%) Negative staff behaviours related to phys-ical activity ... implementation intervention, achieved some success in increasing children’s physical activity levels [34] Further work quantifying the amount of MVPA (e.g using accelerometry) and screen time obtained in

Ngày tải lên: 01/02/2020, 05:32

... strategies in newspaper writing 1.2 AIMS AND OBJECTIVES 1.2.1 Aims This study aims at examining the linguistic features of linguistic devices to attribute source of information in news reports, raising ... Vietnamese in using linguistic devices to attribute source of information; -To propose some necessary strategies to the teaching and learning of linguistic devices to attribute source of information in ... REALIZATION OF ATTRIBUTING SOURCE OF INFORMATION IN ENGLISH AND VIETNAMESE NEWS REPORTS 2.6.1 Linguistic Realization of Attributing Source of Information in English News Reports (1) Reportedly,

Ngày tải lên: 26/11/2013, 13:24

... in press published in English, possibly in any forms of writing there.Being interested in Reiteration in English, we find it very interesting, andappropriate also, to apply related theories into ... analyzed in the thesis are news-in-brief texts available in CNN online, which is, in our opinion, among the most well - known online newspapers It has nowadays become an international newspaper ... selected 2.3 Reiteration in separate parts of News-in-brief texts 2.3.1 Headline In a news-in-brief text, the headline briefly introduces the main content of the whole news Another aim of this

Ngày tải lên: 21/12/2013, 13:00

... use in our discussion of temporal referential integrity It consists of timelines for three objects Besides policy P861, there is a timeline for client C882 and for client C903 The dotted-line ... digging in archival storage, or histor-ical data warehouses, for that information—which, in a high transaction volume claims processing system, is a very good thing That historical data exists in ... so by enforcing the constraint expressed in the declara-tion, the constraint that if the child row’s FK points to a parent row, that parent row must have existed in its table at the time the child

Ngày tải lên: 21/01/2014, 08:20

... Then, in the next chapter, we will look at several other kinds of pipeline datasets, and the business value of internalizing them as well The Internalization of Pipeline Datasets We begin by introducing ... inflow pipelines whose termination points are production tables, or along the outflow pipelines whose points of origin are those same tables The points of ori-gin of inflow pipelines may be external ... statements are truestatements Using the terminology of beliefs, we may say that the rows in tables in relational databases may relate data to time in any of nine ways So where “thing” means, more precisely,

Ngày tải lên: 21/01/2014, 08:20

... persistent object thing occupied represented match replace supercede withdraw pipeline dataset inflow pipeline dataset inflow pipeline outflow pipeline dataset outflow pipeline production data ... physically inter-nalize one particular kind of pipeline dataset within the produc-tion tables which are their destinaproduc-tions or points of origin We showed how to turn them from distinct physical ... data into logical collections of data that share residence in a single physical table The internalization of pipeline datasets is illustrated in Figure 13.2 These internalizations of pipeline

Ngày tải lên: 21/01/2014, 08:20

... currently claim were in effect any time in the first half of 2008 Pinning down a point in assertion time, and then asking for versions of objects claimed at that point in time to be correct, is ... neither as points in time Mirror Images of the Nine-Fold Way As we said in Chapter 9, effective time exists within assertion time First, logically speaking, we make a statement about how things are ... rule In place of these pipeline datasets, Asserted Versioning stores the information contained in those pipeline datasets internally, within the production tables that are their sources and destinations

Ngày tải lên: 21/01/2014, 08:20

... of Time QueriesA point in time is a period of time that includes only one clock tick Thus, using the closed-open convention, a point in time, T1, is identical to the period of time [T1– T2] where ... Since, at the time we are writing this paragraph, we haven’t done this, it is an excellent way of finding out if we have made any logical mistakes so far. Trang 8Point in Time to Period of Time ... difference is in the notation In the following discussions, we will use the simpler notation, T1, for the point in time In this section, we consider periods of time that are longer than a single clock

Ngày tải lên: 21/01/2014, 08:20

... against the index, followed by a single direct read to the table itself So in determining the sequence of columns in an index, a good idea is to put the most frequently used lookup columns in the ... want to minimize any type of scan Another important consideration in determining the optimal sequence of columns in an index is that optimizers may decide Trang 9not to use a column in an index ... Non-Temporal Databases In this section, we compare data volumes and response times in bi-temporal and in conventional databases We find that differences in both data volumes and response times are gener-ally

Ngày tải lên: 26/01/2014, 08:20

... lower cardinality columns Clustering would continue based on 3 Low cardinality means that there are fewer distinct values for the field in the table which results in more rows having a single value. ... then add the episode begin date Instead of creating a separate index for TRI parent-side tables, we could try to minimize the number of indexes by re-using the primary key index to: (i) Support ... qualified as criteria, filtering on everything it got during the index scan rather than during the more expensive table scan If the circa flag is not included in the index, and the DBMS allows

Ngày tải lên: 26/01/2014, 08:20

... convenience Periods of time in either of the two bi-temporal dimensions are delimited by their starting point in time and ending point in time These points in time may be timestamps, dates,... ... rows in the converted table, they remain unique across all rows in the table at any one point in time, specif- ically at any one combination of assertion and effective time clock ticks. (vi) Instead ... any point in past time because of deferred assertions which are not, by definition, past assertions. Instead, they make it pos- sible to recreate what we claimed, at some past point in time, was

Ngày tải lên: 26/01/2014, 08:20

... relationships between two time periods, a time period and a point in time, or two points in time, as first defined in James F Allen’s 1983 article Maintaining Knowledge about Temporal Intervals Semantics: ... between two time periods, a time period and a point in time, or two points in time, defined along a common timeline Comments: ® The Allen relationships are mutually exclusive and jointly exhaustive ... as-is distinction is an assertion time distinction, but in supporting temporal data management in their databases, IT professionals often confuse this distinction with the effective time distinction

Ngày tải lên: 26/01/2014, 08:20

... assertion time, effective time internalized pipeline dataset, Pending History Mechanics: all those rows in asserted version tables which lie in the assertion time future but in the effective time ... assertion time, effective time internalized pipeline dataset, Pending Updates Mechanics: all those rows in asserted version tables which lie in the assertion time future but in the effective time ... assertion time, effective time internalized pipeline dataset, Current History Mechanics: all those rows in asserted version tables which lie in the assertion time present but in the effective time

Ngày tải lên: 26/01/2014, 08:20

... point in time, time period temporal entity integrityMechanics: (i) for episodes, the constraint that no two episodes of the sameobject, in the same period of assertion time, either [meet] or [intersect];(ii) ... version table, business data, effective time, object,represent, temporal transaction temporal dimensionSemantics: a type of time within which points in time and/or periods of time areordered Components: ... temporal transaction can insert data into past effective time, update data in past effective time, and delete data from past effective time • In Chapter 12, we explained the reason that we can

Ngày tải lên: 26/01/2014, 08:20

... data in which none of that is necessary, a world in which all pipeline datasets are contained in the single table that is their destination or their point of origin. In this world, maintaining ... systems used in education, finance, health care, insurance, manufacturing, retailing and transportation—all industries in which the authors have had consulting experience. In using these methods, ... along inflow pipelines, and posted transactions as data destined for some kind of logfile, and as moving towards that destination along outflow pipelines. So if we can bring pending transactions into...

Ngày tải lên: 24/12/2013, 02:16

... management losing faith in data warehouse projects. As these large projects fell increasingly behind schedule and rose increasingly over budget— something large projects tend to do—the pressure increased to ... into the business IT commu- nity, bi-temporality was understood as a distinction between logical time and physical time. Logical time, corresponding to what computer scientists called valid time, ... bi-temporality. For while it acknowl- edged that one kind of time is a period of time, it believed that the other kind of time is a point in time. With only one temporal extent represented, this...

Ngày tải lên: 24/12/2013, 02:16

... point in time forward to the point in time we are interested in. But the defining feature of reconstructable methods is not the movement of data from off-line to on-line storage. The defining ... any point in time between the starting balance and the current bal- ance by going back to the starting balance and applying trans- actions, in chronological sequence, up to the desired point. We ... waiting for the data, and the decisions delayed until the data becomes available. In an increasingly fast-paced business world, the opportunity cost of delays in accessing data is increasingly...

Ngày tải lên: 24/12/2013, 02:16

... lacking a standard for the PERIOD datatype, we will continue the practice of defining periods of time in terms of their begin and end points in time. Chapter 3 THE ORIGINS OF ASSERTED VERSIONING: ... record of when business events happen in the real world. In addition, for most business purposes, we assume that a SQL timestamp plus a defined interval of time will result in a second timestamp that ... designing and maintaining data models that must explicitly define temporal data structures and integrity constraints on them. It also relieves developers of the burden of designing, writing and maintaining...

Ngày tải lên: 24/12/2013, 02:16

... whether a point in time is or is not contained in a period of time. Where P and T are, respectively, a point in time and a period of time, and T 1 and T 2 are dates delimiting T using the closed-open ... [aligns] with the time period, then it either [starts] the time period or [finishes] it. Otherwise, the point in time occurs [during] the time period. If the point in time [ excludes] the time period, ... clock ticks. This point in time may either [ intersect] or [exclude] the time period. If the point in time [ intersects] the time period, it also [fills] and [ occupies] that time period. If it...

Ngày tải lên: 24/12/2013, 02:16