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Construct version 5.4.4
An agent based modeling framework
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Construct version 5.4.4
An agent based modeling framework
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Specializes the Social_Media_with_followers model for Twitter. More...
Public Member Functions | |
| Twitter_wf (const dynet::ParameterMap ¶meters, Construct &construct) | |
| Parameters are passed directly to the base class constructor. More... | |
| void | initialize () override |
| Loads users using Social_Media_no_followers::load_user and adds Knowledge_Parser to Construct::message_parsers if one is not present. More... | |
 Public Member Functions inherited from Social_Media_with_followers | |
| Social_Media_with_followers::media_user & | user (unsigned int index) |
| Social_Media_no_followers::media_user * | get_default_media_user (const Node &node) override |
| Gets the default media user for a social media class. More... | |
| Social_Media_with_followers (const std::string &_media_name, InteractionItem::item_keys event_key, const dynet::ParameterMap ¶meters, Construct &_construct) | |
| Base constructor for any social media model. More... | |
| void | communicate (const InteractionMessage &msg) override |
| Calls Social_Media_no_followers::communicate and for each read event, the receiving agent can follow the sending agent. More... | |
| void | cleanup (void) override |
| Feeds are updated, the social media will recommend users to follow, and users can decide to unfollow other users. More... | |
| float | follower_jaccard_similarity (unsigned int agent_i, unsigned int agent_j) const |
| Computes the Jaccard Similarity in the follower network between the two agent indexes. | |
| virtual void | add_followees (void) |
| Gives each user recommended users to follow. More... | |
| virtual void | remove_followees (void) |
| Each users decides whether to unfollow any other user. More... | |
| virtual int | get_feed_priority (const media_event &_event, unsigned int user) override |
| If Social_Media_no_followers::get_feed_priority returns a value greater than 50 and the user is following the event's author, 50 is returned. Otherwise, the result from Social_Media_no_followers::get_feed_priority is returned. More... | |
| 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 ¶meters, 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 Social_Media_with_followers | |
| std::vector< std::vector< unsigned int > > | responses |
| Holds the number of responses between agents. More... | |
| Graph< bool > * | follower_net = nullptr |
| The follower network for the social media with name dependent on the media. | |
| Graph< float > * | ktrust_net = nullptr |
| Pointer to the graph with name "knowledge trust network". | |
| Graph< std::map< unsigned int, float > > * | kttm = nullptr |
| Pointer to the graph with name "knowledge trust transactive memory network". More... | |
| bool | disable_follower_recommendations = false |
| std::function< void(Social_Media_with_followers *, unsigned int)> | add_followees_output |
| 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. | |
Specializes the Social_Media_with_followers model for Twitter.
Sets Social_Media_with_followers::media_name to "Twitter", Social_Media_with_followers::event_key to event_key::twitter_event, and the follower network to "twitter follower network" graph.
| Twitter_wf::Twitter_wf | ( | const dynet::ParameterMap & | parameters, |
| Construct & | construct | ||
| ) |
Parameters are passed directly to the base class constructor.
summary>
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inlineoverridevirtual |
Loads users using Social_Media_no_followers::load_user and adds Knowledge_Parser to Construct::message_parsers if one is not present.
Reimplemented from Social_Media_no_followers.
1.9.3