biom

Overview

This dataset contains long DNA contig sequences derived from metagenomic samples, together with extensive metadata and classification labels.

Configs and splits

• Config: default
• Split: train

Column descriptions

Column	Type	Description	Observed values / notes
sequence_id	int64	Unique integer identifier for each sequence record.	Sequential integers
cluster_id	int64	Identifier of a redundancy cluster grouping highly similar sequences.	Integer cluster IDs
rep_id	int64	Identifier of the representative sequence within a cluster.	Matches representative entries
redundancy	string	Redundancy status of the sequence relative to clustering.	cluster_representative
is_ambiguous	string	Indicates whether the sequence contains ambiguous bases or failed ambiguity checks.	ambiguous, not_ambiguous
is_skani_viral	string	Result of a viral similarity check (e.g. ANI/skani-based).	similar2v, not_similar2v
is_rs10	string	Dataset-specific categorical flag.	not_rs10
is_checkv	bool	Boolean flag related to CheckV processing or filtering.	false
fraction	string	High-level category of sequence origin.	microbial
biome	string	Environmental biome associated with the sample.	tomato soil
y	int64	Numeric class label used for supervised learning.	0
label	string	Human-readable class label corresponding to y.	non_phage
sample_id	string	Sample or run identifier, typically an SRA-style accession.	e.g. SRR8487012
fasta_id	string	Identifier from the source FASTA or assembly, often encoding node, length, and coverage.	SRR…NODE*
orientation	string	Orientation of the sequence in the original assembly.	forward
pair_id	string	Dataset-specific grouping identifier.	R7
Project ID	string	BioProject accession associated with the sample.	PRJNA646779
SRA/ERR Run	string	SRA or ENA run accession.	SRR8487012
length_category	string	Length bin derived from sequence length.	10k - 50k
length_category_encoded	int64	Integer encoding of length_category.	4
Benchmark_exclusion	int64	Flag indicating whether the record should be excluded from benchmarking.	0 or 1
seq_len	int64	Length of the DNA sequence in base pairs.	~29k–47k in samples
sequence	string	DNA sequence consisting of A, C, G, and T characters. Length matches seq_len.	Long nucleotide strings

Labels

The dataset includes both numeric and string labels:

• y = 0 corresponds to label = non_phage

Additional label values may exist outside the sampled records.