aggregation


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aggregation

 [ag″rĕ-ga´shun]
1. massing or clumping of materials together.
2. a clumped mass of material.
familial aggregation the occurrence of more cases of a given disorder in close relatives of a person with the disorder than in control families.
platelet aggregation platelet agglutination.

ag·gre·ga·tion

(ag-rĕ-gā'shŭn),
A crowded mass of independent but similar units; a cluster.
Synonym(s): agglomeration

Aggregation

Epidemiology A term of art referring to a lopsided distribution of parasites among hosts, with some hosts suffering a greater infestation than would be expected by chance alone.
Vox populi A massing of material; clumping.

ag·gre·ga·tion

(ag'rĕ-gā'shŭn)
A crowded mass of independent but similar units; a cluster.

aggregation

a clumping or clustering of individuals of a population in a non-random distribution. Such clumping can occur
  1. as a response to local habitat differences, e.g. some organisms preferring, say, damp to dry areas;
  2. as a response to daily or seasonal weather changes;
  3. by reproductive processes, e.g. individuals hatching from the same egg batch in some animals, or poor seed dispersal in plants;
  4. as a result of social attraction, e.g. colonial nesting in birds.

Aggregation

The blood cell clumping process that is measured in the platelet aggregation test.
References in periodicals archive ?
Here, we detail our proposed MapReduce-based nearest neighbor approach for massive flow aggregation using term frequency for traffic analysis.
1 shows the devices in a network topology that will benefit significantly from flow aggregation of data through the data plane (i) IoT Gateway, content based aggregation on traffic will help in mitigating the processing of high volume mice flows, with diverse protocols, connectivity models and energy profiles generated from the cloud of sensors.
Xu Jian et al provides a survey of privacy preserving data aggregation in Wireless Sensor Networks.
From this background, as advanced research studies targeting beyond 2030, the six institutions (NTT, Hitachi, OKI, Keio, KDDI Research, and Furukawa Electric) have been researching Elastic Lambda Aggregation Network, a service adaptive access-metro network that provides multiple services with high reliability and high optical frequency utilization efficiency.
The interest in the importance of aggregation is enhanced by judgments or preferences made by a group of decision makers.
Nigerian Tribune Agric gathered that the expectations of the stakeholders at the end of the workshop for the NSPAC forum participants is to come up with a plans that will be viable intervention to all the three categories of aggregation centres owners and management (State/Community based, Private and the federal Government based) in order to strengthen their capacity that will change their productivity as well as enhanced the living standards of the farmers for good'.
This produced very low average percentage aggregation. The CAP Coagulation Resource Committee decided to change the concentration of tirofiban to 35 ng/mL in 2014 to better simulate a clinical platelet aggregation defect.
Platelet aggregation was assessed by using light transmission agreggometry in platelet rich plasma (PRP), a method considered as the gold standard for analysis of platelet function17.
The mutton snapper total production, obtained through catch records from the National Aquaculture and Fishing Commission (CONAPESCA) (taking into account the 41 boats and 92 fishers that operate in the area), was used to estimate the equivalent catch proportion of the spawning aggregation, during the 5 days of fishing, relative to the total catch of this species in the CBBR during the year.
'We're not saying that cholesterol is the only trigger for the aggregation process, but it's certainly one of them,' Vendruscolo added.
The company's analysis led to partnerships with key vendors that include Domino, Antares Vision, Xyntek and Marchesini, to address serialization and aggregation challenges.