protocol

transaction_dataset_protocol

Protocol for transaction datasets used with frequent itemset mining algorithms. Transaction identifiers are expected to be unique within a dataset.

Availability:

logtalk_load(frequent_pattern_mining_protocols(loader))

Author: Paulo Moura

Version: 1:0:0

Date: 2026-04-29

Compilation flags:

static

Dependencies:

(none)

Remarks:

(none)

Inherited public predicates:

(none)

Public predicates

items/1

Returns the declared transaction item domain as a canonical sorted list of unique items.

Compilation flags:

static

Template:

items(Items)

Mode and number of proofs:

items(-list(atom)) - one

---

transaction/2

Enumerates by backtracking the transactions in the dataset. The transaction identifier is expected to be unique within the dataset. Each transaction is represented as a canonical sorted list of unique declared items.

Compilation flags:

static

Template:

transaction(Id,Transaction)

Mode and number of proofs:

transaction(-integer,-list(atom)) - zero_or_more

---

Protected predicates

(none)

Private predicates

(none)

Operators

(none)