In this pilot task, we set two subtasks to achieve and advance the technologies related to actionable knowledge graph presentations that can be used for search engines.
You can participate either of subtasks or both!
For a given entity type (e.g., Place) and instance entity (e.g., "poland"), participants will be asked to find potential actions that can be taken (e.g., "visit poland", "buy a house in poland", "find weather in poland"). Participants are allowed to use any external resources (e.g., Action section in schema.org) to return a ranked list of potential actions. Up to 100 actions should be submitted for each query (pair of entity and its type). The format of each submitted action should contain verb and object (called also the modifier of a verb), where the object's length is limited to 50 characters. For example, in the above-mentioned case of "poland" as the entity instance of the Place type, "buy a house in poland" would be an action composed of a verb "buy" and object "a house in poland". Participants are allowed to submit up to three actions that share the same verb. Note that actions can sometimes lack objects (actions containing only a verb), in which case, the object is actually considered NULL. For example, for the entity "outlook express" of the type Product, "download" is an example of correct action that does not require any explicit object specified.
This subtask can be seen as an open information extraction task, and allows us to accumulate a comprehensive set of actions that are related to a given entity type and entity instance. The returned actions will be assessed by crowdsourcing to be scored from 1 to 5. Actions will be evaluated not only based on their relevance but also based on diversity in order to prevent submissions of many similar actions (e.g., actions where verbs are synonyms or the objects have very similar meaning).
| Entity | Types | Verb | Object | Wikipedia |
|---|---|---|---|---|
| Final Fantasy VIII | Product | play | on android | https://en.wikipedia.org/wiki/Final_Fantasy_VIII |
| watch | videos of other players | |||
| buy | new weapons | |||
| compare | with other games | |||
| learn | junction system | |||
| Zambia | Place | mine | copper | https://en.wikipedia.org/wiki/Zambia |
| prospect | for minerals | |||
| produce | row crops | |||
| visit | Kafue National Park | |||
| watch | national football games | |||
| Yo-Yo Ma | Person | transliterate | his name in Chinese | https://en.wikipedia.org/wiki/Yo-Yo_Ma |
| list | cellos he has ever owned | |||
| watch | his performance at Apple keynotes | |||
| listen | The Goat Rodeo Sessions | |||
| buy | a tickt of his concert | |||
| York University | Organisation | visit | York University Observatory | https://en.wikipedia.org/wiki/York_University |
| apply | for an undergraduate program | |||
| defer | an offer | |||
| stay | in a residence | |||
| read | Excalibur (university newspaper) | |||
| Wireles Festival | Event | sponsor | the event | https://en.wikipedia.org/wiki/Wireless_Festival |
| buy | a ticket for one day | |||
| camp | at the site | |||
| contact | for press enquiries | |||
| reserve | a big green coach |
For a given search query, entity included in that query, the type of the entity, and action (e.g., "kyoto budget travel", "kyoto", location, "visit a temple"), participants will be asked to rank entity properties based on their relevance to the query. The query (input) can be ambiguous as in realistic search queries, and participants need to return the ranked list of relevant entity properties to create an actionable knowledge graph. Actions in the test queries will be taken from the outcomes of the Action Mining (AM) Subtask. Properties to be returned will be those defined as attributes of the entity type in schema.org vocabulary.
Effectiveness of the returned properties will be judged by pair-wise comparison performed by crowdsourcing for all pairs of submitted runs. We are currently considering to propose a new metric that can take preference based judgements into account, by applying Bradley-Terry model.
Participants may use any external sources for the subtasks. Potential document collection and knowledge base are here and here.
| Query | Entity | Types | Action | Ranked properties |
|---|---|---|---|---|
| request funding | funding | Thing, Action | request funding | agent |
| result | ||||
| object | ||||
| location | ||||
| participant | ||||
| startTime | ||||
| error | ||||
| instrument | ||||
| actionStatus | ||||
| endTime | ||||
| target | ||||
| consequences of flood | flood | Thing, Event | live in a flood area | actor |
| location | ||||
| duration | ||||
| startDate | ||||
| endDate | ||||
| subEvent | ||||
| aggregateRating | ||||
| attendee | ||||
| composer | ||||
| contributor | ||||
| director | ||||
| … | ||||
| How to use google maps | Google maps | Thing, Intangible, Service | create a google maps mashup | availableChannel |
| serviceOutput | ||||
| brand | ||||
| provider | ||||
| serviceType | ||||
| logo | ||||
| isSimilarTo | ||||
| isRelatedTo | ||||
| audience | ||||
| aggregateRating | ||||
| review | ||||
| areaServed | ||||
| award | ||||
| category | ||||
| hasOfferCatalog | ||||
| hoursAvailable | ||||
| offers | ||||
| providerMobility | ||||
| caring about infant | infant | Thing, Person | take care of new born baby | parent |
| gender | ||||
| birthDate | ||||
| weight | ||||
| height | ||||
| birthPlace | ||||
| sibling | ||||
| givenName | ||||
| … | ||||
| goat meat for bbq | goat meat | Thing, Product | cook on the bbq or grill | productionDate |
| weight | ||||
| manufacturer | ||||
| aggregateRating | ||||
| brand | ||||
| width | ||||
| ... |