Facebook_nf_emotions Struct Reference

Specializes the SM_nf_emotions model for Facebook. More...

Inheritance diagram for Facebook_nf_emotions:

Collaboration diagram for Facebook_nf_emotions:

Public Member Functions
	Facebook_nf_emotions (const dynet::ParameterMap &parameters, Construct &construct)
	Parameters are passed directly to the base class constructor. More...
void	initialize () override
	Function called once before any simulation cycles begin. More...
Public Member Functions inherited from SM_nf_emotions
	SM_nf_emotions (const std::string &_media_name, InteractionItem::item_keys event_key, const dynet::ParameterMap &params, Construct &construct)
Social_Media_no_followers::media_user *	get_default_media_user (const Node &node) override
InteractionItem	convert_to_InteractionItem (media_event *_event, unsigned int sender_index, unsigned int receiver_index) const override
Public Member Functions inherited from Social_Media_no_followers
void	load_events (const std::string &fname, const dynet::datetime &start_time, float time_conversion, const std::map< std::string, unsigned int > &agent_mask=std::map< std::string, unsigned int >())
	Parses the content of a json file and loads the information into Social_Media_no_followers::list_of_events. More...
virtual media_event *	create_post (unsigned int knowledge_index, unsigned int id)
	Creates a post event and adds it to Social_Media_no_followers::list_of_events. More...
virtual media_event *	create_response (unsigned int id, media_event *parent)
	Creates a response event based on the parent event and adds it to Social_Media_no_followers::list_of_events. More...
virtual media_event *	create_quote (unsigned int id, media_event *parent)
	Creates a quote event based on the parent event and adds it to Social_Media_no_followers::list_of_events. More...
virtual media_event *	create_reply (unsigned int id, media_event *parent)
	Creates a reply event based on the parent event and adds it to Social_Media_no_followers::list_of_events. More...
virtual media_event *	create_repost (unsigned int id, media_event *parent)
	Creates a quote event based on the parent event and adds it to Social_Media_no_followers::list_of_events. More...
virtual void	finalize_event (media_event *_event)
	Allows each model to intercept the created event. More...
void	check_list_order () const
	Checks the list of events to make sure the time stamps are sorted in descending order. More...
Social_Media_no_followers::media_user &	user (unsigned int index)
	Social_Media_no_followers (const std::string &_media_name, InteractionItem::item_keys event_key, const dynet::ParameterMap &parameters, Construct &_construct)
	Base constructor for any social media model. More...
virtual	~Social_Media_no_followers ()
	All pointers in Social_Media_with_followers::users are deallocated.
virtual media_user *	get_default_media_user (const Node &node)
	Gets the default media user for a social media class. More...
void	think (void) override
	Agents read events in their feed and create messages based on the read events. More...
void	initialize (void) override
	Loads users using Social_Media_no_followers::load_user and adds Knowledge_Parser to Construct::message_parsers if one is not present. More...
void	communicate (const InteractionMessage &msg) override
	Parses messages that contain the Social_Media_no_followers::event key in their attributes. If the event contains the attribute, media_user::(read, reply, quote, and repost) are called from the receiver's index in Social_Media_no_followers::users More...
void	cleanup (void) override
	Feeds are updated, list_of_events::removed_events are cleared, and events are erased from list_of_events that have have become inactive. More...
virtual void	append_message (media_event *_event, InteractionMessage &msg)
	Appends the array of InteractionItems based on the submitted event and the intended receiver of the message. More...
virtual InteractionItem	convert_to_InteractionItem (media_event *_event, unsigned int sender_index, unsigned int receiver_index) const
	Copies some or all information from the submitted event based on the sender's and receiver's node attributes. More...
virtual int	get_feed_priority (const media_event &_event, unsigned int user)
	Returns 10 if the user is mentioned by the event or if the event is a reply to an event authored by the user. Returns 100 otherwise. More...
virtual void	update_event_scores ()
	Goes through all events and updates media_event::score to media_event::child_size * media_event::time_stamp. More...
virtual void	random_event_swapping (unsigned int user_index)
	Randomly swaps 10% of events in the user's feed. More...
virtual void	update_feeds (float new_events_timestamp)
	Updates each user's feeds. More...
template<typename function >
auto	get_events (function filter)
Public Member Functions inherited from Model
	Model (Construct &_construct)
	Constructor for all models in Construct. More...
virtual	~Model (void)
	Virtual Deconstructor. More...
virtual void	initialize (void)
	Function called once before any simulation cycles begin. More...
virtual void	think (void)
	First function called in a simulation cycle. More...
virtual void	update (void)
	Function called after the think functions in a simulation cycle. More...
virtual bool	intercept (InteractionItem &item, unsigned int sender, unsigned int receiver, const CommunicationMedium *medium)
	Allows for models to effect change to items created by other models. More...
virtual void	communicate (const InteractionMessage &msg)
	Function called after the update functions in a simulation cycle. More...
virtual void	cleanup (void)
	Function called after the Model::communicate functions in a simulation cycle. More...
void	add_base_model_to_model_manager (const std::string &base_model_name)
	Adds a derived model under the name of the base model and disables the model manager from calling its functions.

Additional Inherited Members
Public Attributes inherited from SM_nf_emotions
const Nodeset *	emotions = ns_manager.get_nodeset(nodeset_names::emotions)
const Graph< float > &	emotion_net = graph_manager.load_required(graph_names::emotion_net, agents, emotions)
const Graph< float > &	emot_broadcast_bias = graph_manager.load_optional(graph_names::emot_broad_bias, 1.0f, agents, false, emotions, false)
	The base probability an agent attaches an emotion. More...
const Graph< float > &	emot_broadcast_first = graph_manager.load_optional(graph_names::emot_broad_first, 0.0f, emotions, false, emotions, false)
	The first order emotional dependence on the probability an agent attaches an emotion. More...
const Graph< std::map< unsigned int, float > > &	emot_broadcast_second
	The second order emotional dependence on the probability an agent attaches an emotion. More...
const Graph< float > &	pd_emotion_first = graph_manager.load_optional("first order post density emotion network", 0.0f, agents, false, emotions, false)
	The first order emotional dependence on the probability density for how many posts an agent creates each timestep. More...
const Graph< float > &	pd_emotion_second = graph_manager.load_optional("second order post density emotion network", 0.0f, emotions, false, emotions, false)
	The second order emotional dependence on the probability density for how many posts an agent creates each timestep. More...
const Graph< float > &	pr_emotion_first = graph_manager.load_optional("first order reply probability emotion network", 0.0f, agents, false, emotions, false)
	The first order emotional dependence on the probability that an agent replies to an event when reading it. More...
const Graph< float > &	pr_emotion_second = graph_manager.load_optional("second order reply probability emotion network", 0.0f, emotions, false, emotions, false)
	The second order emotional dependence on the probability that an agent replies to an event when reading it. More...
const Graph< float > &	prp_emotion_first = graph_manager.load_optional("first order repost probability emotion network", 0.0f, agents, false, emotions, false)
	The first order emotional dependence on the probability that an agent reposts an event when reading it. More...
const Graph< float > &	prp_emotion_second = graph_manager.load_optional("second order repost probability emotion network", 0.0f, emotions, false, emotions, false)
	The second order emotional dependence on the probability that an agent reposts an event when reading it. More...
const Graph< float > &	pq_emotion_first = graph_manager.load_optional("first order quote probability emotion network", 0.0f, agents, false, emotions, false)
	The first order emotional dependence on the probability that an agent quotes an event when reading it. More...
const Graph< float > &	pq_emotion_second = graph_manager.load_optional("second order quote probability emotion network", 0.0f, emotions, false, emotions, false)
	The second order emotional dependence on the probability that an agent quotes an event when reading it. More...
const Graph< float > &	pread_emotion_first = graph_manager.load_optional("first order read density emotion network", 0.0f, agents, false, emotions, false)
	The first order emotional dependence on the probability density for how many posts an agent reads each timestep. More...
const Graph< float > &	pread_emotion_second = graph_manager.load_optional("second order read density emotion network", 0.0f, emotions, false, emotions, false)
	The second order emotional dependence on the probability density for how many posts an agent reads each timestep. More...
const Graph< float > &	kselect_emotion = graph_manager.load_optional("knowledge select emotion network", 0.0f, knowledge, false, emotions, false)
	The emotional dependence on the probability weight an agent selects a knowledge bit for creating an event. More...
const Graph< float > &	kselect_trust = graph_manager.load_optional("knowledge select trust network", 0.0f, agents, false, knowledge, false)
	The knowledge trust dependence on the probability weight an agent selects a knowledge bit for creating an event. More...
const Graph< float > &	kselect = graph_manager.load_optional("knowledge select bias network", 1.0f, agents, false, knowledge, false)
	The base probability weight an agent selects a knowledge bit for creating an event. More...
Public Attributes inherited from Social_Media_no_followers
event_container	list_of_events
	The list of all current events in this social media. New events should be added to the front of this list.
const Nodeset &	agents = ns_manager.get_nodeset(nodeset_names::agents)
const Nodeset &	knowledge = ns_manager.get_nodeset(nodeset_names::knowledge)
const CommunicationMedium	medium
	The medium used for all messages created by this model.
const InteractionItem::item_keys	event_key
	The item key added to all messages created by this model.
std::vector< std::vector< media_event * > >	users_feed
	Each user's feed of events with the first dimension corresponding to each user. More...
std::vector< unsigned int >	read_count
float	age
	The maximum time a post can exist without its tree being added to.
float	dt
	The time duration between time steps.
float	time = 0.0f
	The current time period.
std::string	media_name
	The prefix for some of the node attributes names parsed by the media_user class.
Graph< bool > &	knowledge_net = graph_manager.load_required(graph_names::knowledge, agents, knowledge)
	Pointer to the graph with name "knowledge network".
const Graph< bool > *	active_agents = graph_manager.load_optional(graph_names::active, true, agents, sparse, ns_manager.get_nodeset(nodeset_names::time), sparse)
	Pointer to the graph with name "agent active time network".
std::vector< media_user * >	users
	The list of users. More...
std::function< bool(media_event &)>	current_timestep = [this](media_event& _event) { return _event.time_stamp > time - 0.5f * dt; }
std::function< bool(media_event &)>	previous_timestep = [this](media_event& _event) { return _event.time_stamp > time - 1.5f * dt; }
std::function< bool(media_event &)>	active = [this](media_event& _event) { return _event.last_used > time - age; }
std::function< void(Social_Media_no_followers *, unsigned int)>	feed_update_output
std::function< void(Social_Media_no_followers *)>	cleanup_output
Public Attributes inherited from Model
Construct &	construct
GraphManager &	graph_manager
NodesetManager &	ns_manager
Random &	random
bool	valid
	If member is false, the model's functions are not called.

Detailed Description

Specializes the SM_nf_emotions model for Facebook.

Sets Social_Media_no_followers::media_name to "Facebook" and Social_Media_no_followers::event_key to event_key::facebook_event.

Constructor & Destructor Documentation

Facebook_nf_emotions()

Facebook_nf_emotions::Facebook_nf_emotions	(	const dynet::ParameterMap &	parameters,
		Construct &	construct
	)

Parameters are passed directly to the base class constructor.

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Member Function Documentation

initialize()

void Facebook_nf_emotions::initialize ( void  )

inlineoverridevirtual

Function called once before any simulation cycles begin.

Reimplemented from Model.

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