clustering
gb/klˈʌstɚɪŋ/ us/klˈʌstɚɪŋ/
B2
Angličtina
Významy
0 významů
Podstatné jméno
B2
process
1
forming close groups
when people or things are close together in groups
Vzorec užití:
the clustering of [things/people] in/around [place]
Častá chyba:
Do not use clustering for just any large number; it suggests that things are grouped close together.
Synonyma
grouping (more general; does not always imply tight closeness)
|
concentration (emphasizes many things in one area)
|
aggregation (more formal or technical)
Antonyma
dispersion (things are spread out rather than grouped)
|
scattering (things are separated irregularly)
|
even distribution (things are spread fairly equally)
Kolokace
spatial clustering
|temporal clustering
|geographic clustering
|clustering pattern
|clustering effect
|clustering of cases
|clustering of shops
|disease clustering
|urban clustering
Témata
general
|space
|patterns
Příklady
- The map shows a clear clustering of cafés near the station.
- Researchers noticed a clustering of flu cases in one neighborhood.
- The clustering of jobs in big cities has pushed up housing costs.
Učební příklady
- There is a clustering of shops near the bus stop.
- The clustering of people near the door made it hard to leave.
Sloveso
B2
action
2
gathering close together
coming together in a small, close group
Vzorec užití:
[people/things] are clustering around/together/near [someone/something]
Častá chyba:
Cluster is often intransitive: people cluster around a place. For arranging items deliberately, group is often more natural.
Synonyma
gathering (more general and less focused on tight groups)
|
huddling (suggests standing very close, often for warmth or privacy)
|
crowding (suggests too many people in a small space)
Antonyma
dispersing (moving away from a group)
|
scattering (separating in different directions)
|
spreading out (becoming less close together)
Kolokace
clustering around
|clustering together
|clustering near
|clustering outside
|clustering at the entrance
|clustering in groups
Témata
people
|movement
|space
Příklady
- Fans were clustering around the stage, hoping to see the band.
- Dark clouds were clustering over the hills by late afternoon.
- People kept clustering near the exit instead of moving into the room.
Učební příklady
- The children were clustering around the teacher.
- Birds were clustering together on the roof.
Podstatné jméno
technical
C1
process
3
grouping similar data
a way for software to put similar data items into groups
Vzorec užití:
clustering of [data/items/users]; [adjective] clustering
Častá chyba:
Do not confuse clustering with classification: classification usually uses known labels, while clustering usually finds groups in unlabeled data.
Synonyma
cluster analysis (a broader statistical term for analyzing groups in data)
|
segmentation (often used in business or marketing for dividing customers or markets)
|
grouping (less technical and less specific)
Kolokace
data clustering
|clustering algorithm
|clustering method
|clustering model
|clustering analysis
|k-means clustering
|hierarchical clustering
|unsupervised clustering
|customer clustering
|document clustering
Témata
data_science
|statistics
|technology
|machine_learning
Příklady
- The team used clustering to find groups of customers with similar buying habits.
- Clustering can reveal patterns in data before the categories are known.
- The results changed when we used a different clustering method.
Učební příklady
- Clustering helps the program find similar photos.
- We used clustering to group the survey answers.
Podstatné jméno
technical
C1
process
4
linking computers as one system
connecting computers so they can work together as one stronger or safer system
Vzorec užití:
[server/database/computer] clustering; clustering of [servers/computers]
Častá chyba:
In IT, clustering is not just putting computers near each other physically; it means making them work together as a system.
Synonyma
clustered computing (focuses on the computing architecture)
|
server grouping (less precise and less technical)
|
high-availability clustering (used when the main goal is avoiding downtime)
Antonyma
standalone server (one server operating by itself)
|
single-node system (a system with only one machine or node)
Kolokace
server clustering
|database clustering
|computer clustering
|failover clustering
|high-availability clustering
|load-balanced clustering
|cloud clustering
Témata
computing
|it
|networks
|systems
Příklady
- The company uses server clustering to keep the website online during heavy traffic.
- Database clustering can reduce downtime if one machine fails.
- The new system supports clustering across several cloud regions.
Učební příklady
- Server clustering helps a website stay online.
- The app runs on a clustering system.
Gramatika
Slovníkový tvar
clustering
IPA
GB/klˈʌstɚɪŋ/
US/klˈʌstɚɪŋ/
Slabiky a přízvuk
clus - ter - ing (3 slabiky)
Stress on 1st syllable (clus)
Tvary slova
Noun
- Base: clustering
- Plural: clustering, clusterings
Výrazy
clustering algorithm
1/klˈʌstɚɪŋ ˈælɡɚˌɪðəm/
fixed phrase
technical
data-grouping computer method
a computer method that puts similar data into groups
Příklady
- We tested several clustering algorithms on the customer data.
- The clustering algorithm grouped similar news articles together.
- Choosing the right clustering algorithm depends on the shape of the data.
clustering coefficient
1/klˈʌstɚɪŋ kˌoʊəfˈɪʃənt/
fixed phrase
technical
network grouping measure
a number that shows how much a network forms close groups
Příklady
- A high clustering coefficient means that a person's friends are likely to know one another.
- The network had a low clustering coefficient, so connections were widely spread out.
- Researchers compared the clustering coefficient of different social networks.
clustering illusion
1/klˈʌstɚɪŋ ɪlˈuʒən/
fixed phrase
technical
seeing patterns in randomness
the mistake of thinking random groups are meaningful patterns
Příklady
- After three wins in a row, he believed the slot machine was hot, a classic clustering illusion.
- The article warned investors about the clustering illusion in stock-market charts.
- People often see streaks in random data because of the clustering illusion.
failover clustering
1/fˈeɪlˌoʊvɚ klˈʌstɚɪŋ/
fixed phrase
technical
backup-system service continuity
a setup where another computer takes over when one computer fails
Příklady
- The bank uses failover clustering to keep its payment system online.
- Failover clustering allowed the database to recover within seconds.
- We tested failover clustering before moving the application to production.
hierarchical clustering
1/hˌaɪɚˈɑɹkɪkəl klˈʌstɚɪŋ/
fixed phrase
technical
tree-like data grouping
a data-grouping method that shows groups inside larger groups
Příklady
- The researchers used hierarchical clustering to compare gene-expression patterns.
- Hierarchical clustering produced a tree diagram of the documents.
- The chart from hierarchical clustering showed two large groups and several smaller ones.
k-means clustering
1/kˈeɪ mˈinz klˈʌstɚɪŋ/
fixed phrase
technical
centroid-based data grouping
a common data-grouping method where the user chooses how many groups to make
Příklady
- K-means clustering divided the customers into five behavior groups.
- The analyst used k-means clustering because the dataset was large and numeric.
- K-means clustering works poorly when the clusters have very irregular shapes.
spatial clustering
1/spˈeɪʃəl klˈʌstɚɪŋ/
fixed phrase
formal
grouping in physical space
when things happen or exist close together in certain places
Příklady
- The study found spatial clustering of asthma cases near major roads.
- Spatial clustering of tech firms has changed the local housing market.
- Police looked for spatial clustering in the pattern of burglaries.
temporal clustering
1/tˈɛmpɚəl klˈʌstɚɪŋ/
fixed phrase
formal
grouping close in time
when events happen close together in time
Příklady
- The report noted temporal clustering of accidents during the winter months.
- Doctors investigated temporal clustering of the symptoms after the event.
- The data showed temporal clustering, with most complaints arriving on Mondays.