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DataCommonsToolkit

class DataCommonsToolkit(BaseToolkit):
A class representing a toolkit for Data Commons. This class provides methods for querying and retrieving data from the Data Commons knowledge graph. It includes functionality for:
  • Executing SPARQL queries
  • Retrieving triples associated with nodes
  • Fetching statistical time series data
  • Analyzing property labels and values
  • Retrieving places within a given place type
  • Obtaining statistical values for specific variables and locations
All the data are grabbed from the knowledge graph of Data Commons. Refer to https://datacommons.org/browser/ for more details.

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init

def __init__(self, timeout: Optional[float] = None):
Initialize the DataCommonsToolkit. Parameters:
  • timeout (Optional[float], optional): Maximum time in seconds to wait for API calls to complete. If None, will wait indefinitely. (default: :obj:None)

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get_triples_outgoing

def get_triples_outgoing(self, dcids: Union[str, List[str]]):
Retrieve triples associated with nodes for outgoing relationships. Parameters:
  • dcids (Union[str, List[str]]): A single DCID or a list of DCIDs to query.
Returns: Optional[Dict[str, List[tuple]]]: A dictionary where keys are DCIDs and values are lists of associated triples if success, (default: :obj:None) otherwise.

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get_triples_incoming

def get_triples_incoming(self, dcids: Union[str, List[str]]):
Retrieve triples associated with nodes for incoming relationships. Parameters:
  • dcids (Union[str, List[str]]): A single DCID or a list of DCIDs to query.
Returns: Optional[Dict[str, List[tuple]]]: A dictionary where keys are DCIDs and values are lists of associated triples if success, (default: :obj:None) otherwise.

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get_stat

def get_stat(
    self,
    date: str,
    entity_dcids: Union[str, List[str]],
    variable_dcids: Union[str, List[str]]
):
Retrieve statistical time series for a place. Parameters:
  • date (str): The date option for the observations. Use ‘all’ for all dates, ‘latest’ for the most recent data, or provide a date as a string (e.g., “2026”).
  • entity_dcids (Union[str, List[str]]): Entity IDs to filter the data.
  • variable_dcids (Union[str, List[str]]): The variable(s) to fetch observations for. This can be a single variable ID or a list of IDs.
Returns: Optional[Dict[str, Any]]: A dictionary containing the statistical time series data if success, (default: :obj:None) otherwise.

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get_property_labels

def get_property_labels(self, dcids: Union[str, List[str]], out: bool = True):
Retrieves and analyzes property labels for given DCIDs. Parameters:
  • dcids (Union[str, List[str]]): A single DCID or a list of DCIDs to query.
  • out (bool): Whether to fetch outgoing properties (default: :obj:True)
Returns: Optional[Dict[str, List[str]]]: Analysis results for each DCID if success, (default: :obj:None) otherwise.

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get_property_values

def get_property_values(
    self,
    dcids: Union[str, List[str]],
    properties: Union[str, List[str]],
    constraints: Optional[str] = None,
    out: Optional[bool] = True
):
Retrieves and analyzes property values for given DCIDs. Parameters:
  • dcids (Union[str, List[str]]): A single DCID or a list of DCIDs to query.
  • properties (Union[str, List[str]]): The property or properties to analyze.
  • constraints (Optional[str]): Additional constraints for the query. (default: :obj:None)
  • out (bool, optional): Whether to fetch outgoing properties. (default: :obj:True)
Returns: Optional[Dict[str, Any]]: Analysis results for each DCID if success, (default: :obj:None) otherwise.

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get_places_in

def get_places_in(
    self,
    place_dcids: Union[str, List[str]],
    children_type: Optional[str] = None
):
Retrieves places within a given place type. Parameters:
  • place_dcids (Union[str, List[str]]): A single DCID or a list of DCIDs to query.
  • children_type (Optional[str]): The type of the child entities to fetch. If None, fetches all child types. (default: :obj:None)
Returns: Optional[Dict[str, Any]]: Analysis results for each DCID if success, (default: :obj:None) otherwise.

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get_tools

def get_tools(self):
Returns: List[FunctionTool]: A list of FunctionTool objects representing the functions in the toolkit.