class_docstr: A dataset for link prediction evaluation.
class_docstr_tok: ["A","dataset","for","link","prediction","evaluation","."]
code: def __len__(self) -> int:  # noqa: D105
      return self.num_triples * self.num_targets
  
imports: import dataclasses
  import logging
  from abc import abstractmethod
  from collections import defaultdict
  from typing import Any, Collection, DefaultDict, Generic, Iterable, List, Mapping, Optional, Tuple, TypeVar, Union, cast
  import numpy
  import pandas
  import torch
  from class_resolver import HintOrType, OptionalKwargs
  from torch.utils.data import Dataset
  from torch.utils.data.dataloader import DataLoader
  from torch_max_mem import maximize_memory_utilization
  from tqdm.auto import tqdm
  from typing_extensions import TypeAlias
  from .evaluator import Evaluator, MetricResults, filter_scores_
  from ..constants import COLUMN_LABELS, TARGET_TO_INDEX
  from ..models import Model
  from ..triples import CoreTriplesFactory, get_mapped_triples
  from ..typing import LABEL_HEAD, LABEL_TAIL, InductiveMode, MappedTriples, OneOrSequence, Target
  from ..utils import upgrade_to_sequence
label_desc: Use image node_id 3 for calling the LCWAEvaluationDataset obj's underlying member method code with example usage: obj.__len__() and returns: unknown