<｜begin▁of▁sentence｜>### Instruction:
Given the graph of interactions between characters in Victor Hugo's novel "Les Misérables", which can be read from a GML file named lesmis.gml, can you use the overlapping seed set expansion algorithm provided by cdlib to detect overlapping communities given a set of seed nodes? Additionally, can you provide a JSON representation of the detected communities?
### Response:
import networkx as nx
from cdlib import algorithms

# Read the Les Miserables graph
G = nx.read_gml('lesmis.gml')

# Define seed nodes for community expansion
seeds = [1, 2, 3]  # assuming nodes are labeled as integers

# Perform community detection using OSSE
communities = algorithms.overlapping_seed_set_expansion(G, seeds=seeds, ninf=True, expansion='ppr', stopping='cond', nworkers=1, nruns=13, alpha=0.99, maxexpand=float('inf'), delta=0.2)

# Generate a JSON representation of the detected communities
communities_json = communities.to_json()

print(communities_json)
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